The second claim of reissued letters patent No. 6080, granted to
James H. Pattee, October 6, 1874, for improvements in cultivators,
changes the first claim of the original patent (1) by omitting the
plates B and (2) by the addition of the direct draft, and thus
substantially enlarges the invention, and consequently is
invalid.
The machines manufactured by the defendants do not infringe
letters patent No. 174,684, granted to Thomas W. Kendall, March 14,
187f, for improvements in cultivators.
Letters patent No. 187,899, granted to Henry H. Pattee, February
27, 1877, for improvements in cultivators embrace nothing that is
not old, and nothing that is patentable -- that is, which involves
invention rather than mechanical skill.
In equity for the infringement of letters patent. Decree
dismissing the bill, from which complainant appealed.
Page 129 U. S. 295
MR. CHIEF JUSTICE FULLER delivered the opinion of the Court.
This is an appeal from a decree of the Circuit Court of the
United States for the Eastern District of Missouri dismissing
appellant's bill of complaint.
The bill charges appellees with infringement of the second claim
of reissue letters patent No. 6,080, dated October 6, 1874, which
is a reissue of original patent No. 124,218, to J. H. Pattee, dated
March 5, 1872; of the first and second claims of original patent
No. 174,684, granted Thomas W. Kendall, March 14, 1876, and of
original patent No. 187,899, granted Henry H. Pattee, February 27,
1877, all for improvements in cultivators.
Appellee is an Illinois corporation, having a branch house in
St. Louis, selling, among other things, cultivators manufactured by
B. D. Buford & Co. at Rock Island, Illinois, which are the
alleged infringing machines.
The opinion of the circuit court was as follows:
"Reissued patent 6,080, of 1874, second claim of which is under
consideration, has, as to that claim, expanded the original beyond
legal limits. Therefore said reissued patent is void to the extent
claimed, wherein the defendant is alleged to have infringed.
Second, as to the Kendall patent No. 174,684, there is no
infringement. Third, as to the Pattee patent of 1877, No. 187,899,
said patent is void, there being no novelty of invention therein
that is patentable."
The second specification of the original Pattee patent, No.
124,218, states that the invention consists
"in pivoting the wheels to the axle in such manner that the
wheels may either one be advanced forward of the other, throwing
the axle diagonal with the line of progression, while the wheels
preserve the same relative position to the line of progression.
"
Page 129 U. S. 296
The second specification of the reissue reads as follows:
"It consists in
hinging the ends of the axle to plates, to
which the draught animals are attached, and which are supported on
wheels in such manner that the wheels
are retained in the
line of progression of the machine by the draught of the animals,
and may either one be advanced forward of the other, throwing
the axle diagonal with the line of progression, while the wheels
preserve the same relative position to the said line of
progression."
The fourth specification of the original is:
"It consists in the peculiar construction of the hitching
device, allowing the draught animals to advance or recede, the one
ahead or in the rear of the other, without influencing the plow
beams to the extent of the variation made by the said animals, all
as hereinafter fully described."
The sixth specification of the reissue is:
"It consists in the
arrangement of
a hitching
device
with the draught plates, which allow the draught
animals to advance or recede, the one ahead or in near of the
other, without influencing the plow beams to the extent of the
variation made by the said animals, all as hereinafter fully
described."
The description of the accompanying drawings is given in the
original and in the reissue, thus:
"
Original"
"A is the axle, bowed or elevated at its central part. B B are
plates secured to the ends of the axle A. The ends of the plates B
B are turned outward, forming
snugs b b b b b1 b1, are
snugs projecting inward from the plates, B B. C C are
triangular shaped draught plates, from which project snugs
c c c c, corresponding with the snugs
b b b b. D
D are pins or bolts passing
Page 129 U. S. 297
through holes in the snugs
c c and
b b, and
thereby pivoting the plates C C to the axle A. E E are the wheels.
F F are the wheel spindles, their inner ends shouldered, threaded,
and secured in slots
e e in the lower ends of the plates C
C by nuts
f f. G G are eveners, pivoted near their centers
in the forward ends of the plates, C, C. H, H, are bars, their
forward ends pivoted to the inner ends of the eveners G G, and
their rearward ends pivoted to the snugs
b1 b1. I I are
hooks on the outer ends of the eveners G G, to which the draught
animals are attached."
"
Reissue"
"A represents the axle, formed as shown in the drawings, of an
elevated central part A, vertical side portions A1 A1, and
horizontal projections a a, from each of the vertical side
portions,
A1. B B are draught plates, with projecting
forward ends
b, to which the draught animals
may be
attached direct or by
any suitable device, and with
an enlarged rear end, from which project lugs
b1 b1
corresponding with the
projections a a of the axle A, to
which they are hinged by vertical bolts, C, as plainly shown in the
drawings. D D are the supporting wheels. E E are the wheel
spindles, their inner ends shouldered, threaded, and secured in
slots
e in the lower ends of the plates B by nuts
e1. G G are eveners, pivoted near their centers in the
forward ends of the plates B. H H are bars, their forward ends
pivoted to the inner ends of the eveners G G, and their rearward
ends pivoted to lugs
a1 a1, which project inwardly from
the vertical parts A1 of the axle. I I are hooks on the outer ends
of the eveners G G, to which the draught animals are attached."
From this on, the original and reissue specifications are
substantially alike, the description of figure 1 of the reissue
closing with the words: "It will be evident that the draught plates
B support and give direction to the course of the wheels, while the
wheels in turn serve to support them."
The first claim of the original is for
"The axle A having plates B hinged to the wheel spindle plates,
C, so that the wheels are retained in the line of progression when
one is in advance of the other, as set forth."
The second claim of the reissue is for
"The axle A hinged to the wheel spindle or draught plates B B so
that the wheels are retained in the line of progression
by the
draft of the animals, when one is in advance of the other,
substantially as described and for the purpose specified. "
Page 129 U. S. 298
The third claim of the original is:
"The evener bars G G and bars H H, when combined and arranged to
operate with the hinged axle A, plates C, and wheels E E,
substantially as and for the purpose specified."
And the sixth claim of the reissue:
"The evener bars G and bars H, combined and arranged to operate
with the hinged axle A, plates B, and wheels D, substantially as
and for the purpose specified."
That purpose is stated in the second claim to be the retaining
of the wheels "in the line of progression by the draft of the
animals when one is in advance of the other," and, as this purpose
can only be accomplished by the aid of the evener bars G G and bars
H H -- that is, not by the combination of the second claim alone,
but only by carrying into it the eveners and bars of the sixth
claim -- it follows that the latter must be brought into the former
by intendment.
In the original patent the mode of attachment of the team to the
cultivator is stated to be by the hooks I I "on the outer ends of
the eveners, G G to which the draft animals are attached," while
the reissue patent contains these words: "B B are draft plates,
with projecting forward ends
b, to which the draft animals
may be attached direct, or by any suitable device." An examination
of the machine discloses that the wheels are kept in the line of
progression by the eveners G G and their connection, and when they
are dispensed with and the hitch made direct, the wheels follow the
animals, and may get out of the line of progression.
As it is admitted that if the eveners are elements of the second
claim, the effect of their omission, and of hitching directly to
the draft plates instead of to the eveners, would be to enlarge the
claim, and as in our judgment this is precisely what was done, the
reissue must be held to have been illegally expanded. It may also
be observed that the connecting bow in the original patent, called
an "axle," consists of a central curved portion with a plate
attached to each end, and two spindle plates, a combination of five
parts. In the reissue, the axle
Page 129 U. S. 299
and side plates are treated as one part, making, with the two
spindle draft plates, three parts. There is therefore an omission
in the latter combination which tends, by reducing the number of
elements, to render its scope less narrow than that of the
original.
As we have seen, the original first claim was for
"the axle A,
having plates B hinged to the wheel
spindle plates C, so that the wheels are retained in the line of
progression when one is in advance of the other, as set forth."
The second claim of the reissue is for
"the axle A, hinged to the wheel spindle or draft plates, B B so
that the wheels are retained in the line of progression
by the
draft of the animals, when one is in advance of the other,
substantially as described, and for the purpose specified."
The axle, having plates as described hinged to wheel spindle
plates, is not identical with an axle omitting the first-named
plates, or having them so affixed as to become a constituent part
thereof. The omission of the plates B and the addition of the
direct draft are significant and material changes, and it is well
settled that a reissue can only be granted for the same invention
intended to be embraced by the original patent, and the
specification cannot be substantially changed either by the
addition of new matter or the omission of important particulars so
as to enlarge the invention as intended to be originally
claimed.
Passing to the question of infringement, it will be found that
when the extent of the invention is determined, as it must be, by
reference to the state of the art, the appellee's machine does not
infringe in respect to those parts of the claim which can be held
to have been unanticipated. It is alleged in the bill that in
Pattee v. Moline Plow Company in the United States Circuit
Court for the Northern District of Illinois, the court sustained
the validity of said reissued letters patent No. 6,080. Upon
referring to that case, 9 F. 821, we find that Judge Blodgett
held:
"From the proof in this case, it is quite clear to me that
Pattee was not the first to conceive and embody in a working
machine the idea of a tongueless straddle-row cultivator. The
first
Page 129 U. S. 300
machine shown in the proof which embodies this idea is that
patented by Isaac Constant in November, 1851. It is a tongueless
straddle-row cultivator, with all the elements for a working
machine of that description, and so arranged as to be what may be
called in this art self-sustaining -- that is, it will stand upon
its own supports. This was also done by Arnton Smith in January,
1855; by Whitely in 1860 to 1865; by E. W. Vangundy in February,
1864; by Pratt in October, 1864, and by Adam Young in November,
1866. All these show cultivators constructed without a tongue, with
two plow-beams held together by a yoke, each plow drawn by its own
draft animal, and operating independently of the other."
The Constant patent here referred to is in this record, and
shows a tongueless cultivator in which the inside beams move
vertically and laterally, independent of each other, and each draft
animal is hitched to its own side, while the side supports are
beams to which two cultivator shovels are applied.
The Smith machine is a tongueless cultivator, in which two
mould-board plows are connected together by a bar in front, not
arched up in the center. A horse is to be attached to each plow and
the coupling so made as to allow an independent motion.
Of the Pratt patent, Judge Blodgett says that Pattee's arched
and jointed axle is fully anticipated by it in form of
construction, function, and mode of operation. This Pratt patent
shows a flexible, parallel, tongueless cultivator, in which each
horse pulls his own side of the machine.
The patent to William Tasker, of 1859, has an axle hinged to
draft or spindle arms, having projecting bars so coupled that the
wheels are retained in the line of progression by the draft of the
animals. Tasker's fifth claim is:
"The connecting of the wheel stumps to a vertical spindle or
spindles, capable of turning freely in vertical collar bearings or
sockets, as hereinbefore described."
The description as to this part of his machine is thus:
"J J are adjustable stumps for carrying the running wheels K K.
These stumps pass through the overhanging lugs L L formed at the
top and bottom of each of the round spindles M M, which are
contained in the vertical
Page 129 U. S. 301
sockets N N (one of which is shown in section in figure 3) of
the cast iron frame C, and are free to turn therein, thereby
enabling the stump of each wheel to swivel or lock round when
turning the plow, as shown by the dotted lines in figure 2."
If Pattee's claim were merely for a combination of an axle,
having an elevated central portion, with the wheel spindles, so
that the draft of the team controls the direction of the wheels,
the Tasker patent anticipates it; but the combination differs from
that in the arrangement by which the evener bars are carried
inwardly, so as to connect with the arch or central part of the
axle, making the axle a part of the evener so combined, and thus
maintaining the parallelism of the wheels. Appellees' machine does
not have "the wheel spindles or draft plates" of the patent, nor
the axle A, with side-plates B, but it uses the Pratt axle of 1864.
Nor in appellees' machine is the parallelism of the wheels
maintained by the draft devices, nor are they retained in the line
of progression by the draft of the animals, but turn as the animals
may pull. The beam frames of appellees' machine have nothing to do
with the wheel spindle. The snugs of Pattee's have nothing to do
with the plow beams. The differences are so great that
interchangeability of the parts of the two machines would be
utterly out of the question. In our judgment, the reissue, if
valid, when limited to what alone could be claimed as new, is not
infringed by appellee.
The first and second claims of the Kendall patent No. 174,684
are as follows:
"1. The runners E, arranged to support the axle of a tongueless
cultivator, with the plows D, suspended therefrom in manner
substantially as described."
"2. The combination of the runners E, plows D, hook rods F, and
axle A, of a tongueless cultivator, substantially as and for the
purpose specified."
As stated on behalf of appellant,
"The second claim in said patent is a claim for substantially
the same combination as recited in the first claim, but differently
worded from the first claim,"
and as the hang-up devices are necessary for the suspension of
the plows, the two claims may be treated as one.
Page 129 U. S. 302
The invention is said in the specifications to consist of the
use of runners attached to the truck frame or axle in such manner
that they will not interfere with the operations of the machine
when in use, and will act as supporting runners for the axle when
the rear ends of the plows are elevated and suspended thereon, and,
second, in the combination of hooks or rods for suspending the
plows on the axle, with said axle and plows.
The drawings show the axle, the wheels, the draft plates, and
the plows of an ordinary cultivator of the tongueless class. The
runners, constituting, as alleged, the "main feature" of the
improvement, are journaled on the outer ends of the spindles of the
wheels, midway their lengths, and their forward ends curved inward,
and secured to the draft plates by a threaded end and nut, while
their rear ends are extended backward and downward, and curved in
such position that when the plows are in operation in the field,
and the axle upright, the rear ends of the runners will be above
and free from the surface of the ground, and, when the rear ends of
the plows are elevated and suspended by any means from the axle,
the rear ends of the runners will rest upon the ground and support
the axle from being pulled backward and downward.
In short, as in the machines with a tongue, the plows are raised
up and suspended from the tongue to keep them off the ground, so in
the tongueless machine the plows are raised up and hooked onto the
axle, and, to prevent their falling backward with the axle, runners
are provided, connected with the axle and the hitching arm of the
machine, which sustain the axle when the plows are hooked on, but
are themselves raised from contact with the ground by the draft
when the plows are in use.
The runners are described as "journaled on the outer ends of the
spindles," but it is also stated that they "may be attached rigidly
to any suitable part of the axle at one or more points of
attachment, and extend backward in the same manner as
described."
These runners, having the wheel spindle or axle for their fixed
point of support, are necessarily rigid and unyielding, and
work
Page 129 U. S. 303
automatically, their rear ends being raised by the pulling of
the team, and lowered by the weight of the plow beams when placed
on the hooks.
The rigidity of the runners, and the resulting automatic action,
are the essential characteristics of the patent, for tongueless
wheel cultivators, with runners to keep the plows off the ground,
were common and well known in the art when it was issued.
It is contended by appellant that the true state of the art is
contained in the prior patents of Poling of 1872, and Robertson of
1875; and, while many others are exhibited, an examination of these
will, we think, sufficiently establish the conclusion just
expressed.
Poling's patent is for a tongueless cultivator provided with
runners which are placed under the beams by hand when the plows are
being transported, and which are taken out and carried on the beams
when the plows are in operation.
Robertson's patent is for a tongueless cultivator, with draft
plates, wheels, and beams, and runners pivoted to the beams near
the axle, and arranged with set screws to lock the plows up and let
them down. It is immaterial to the operation of the runners whether
they act directly on the plow beams or through the axle.
In appellees' machine, the runner is arranged upon the end of an
arm which projects backward from the axle. When the plows are in
use the runner is turned up out of the way. When the runners are
used the plows are raised, and the runners prevented from turning
up by a catch on the arm.
This machine does not contain runners constructed as the Kendall
runners are, in the rigid form, and operated by the draft of the
team to keep them off, or by the weight of the plows to keep them
on, the ground, and so lacks the distinctive features of the
Kendall patent.
It is not automatic, but requires manipulation every time the
use is changed.
When the runner is put in use, its rear extension is turned down
by hand, and a locking dog, hung within a slot in the arm, turned
into position. When the runner is not to be used,
Page 129 U. S. 304
it must be moved so as to release the dog, and permit it to be
thrown up, and the arm is then thrown upward and forward, the dog
being allowed to drop so as to afford a support for the runner.
This jointed runner with a lock cannot be held to be the Kendall
rigid bar.
We agree with the circuit court that there is no
infringement.
Patent No. 187,899 is described as being for a new and improved
mode of constructing the arch or central and main part of straddle
row cultivator beam yokes or axles, and of connecting the side
parts thereto, and the invention as consisting
"in constructing said arch of curved adjacent bars of iron or
steel, to the ends of which may be attached, by riveting, the cast
iron parts for securing thereto the plows and wheels, and which may
be strengthened by the use of stiffening bolts."
The use of parallel bars is exceedingly common, and, so far as
the attachment of the bars to the end plates is concerned, there is
nothing new in that method.
The Burnham and Lathrop patent of 1866 shows a yoke connecting
the plow beams together, made with two parallel bars with end
castings, put together with one bolt near the rear ends of the
beams, instead of with two bolts at the front ends, as in
appellant's machine. The specification says:
"The two frames G G are connected by an arched or semicircular
yoke H, the ends of which are pivoted to bars I I, which are
secured on the tops of the plow frames G G by pivots
e,
the bars being allowed to turn freely on the pivots
e."
The Louden patent of 1876 has an arched axle of tubular wrought
iron, gas pipe being stated to be very suitable, having end
castings attached rigidly or cast thereon.
The Barr patent of 1872, and the Miller patent of the same year,
show arched axles or beam yokes of two or more parts.
The Perkins patent of the same year shows the beams themselves
made of parallel curved bars.
What is sought in all these patents is strength and lightness,
together with cheapness and durability, but they are simply modes
of construction. And that described in this patent
Page 129 U. S. 305
embraces nothing that is not old, and really nothing that is
patentable -- that is, which involves invention, rather than
mechanical skill.
Upon the whole case, we are satisfied with the conclusions
reached by the circuit court, and its decree is therefore
Affirmed.