United Carbon Co. v. Binney & Smith Co.Annotate this Case
317 U.S. 228 (1942)
U.S. Supreme Court
United Carbon Co. v. Binney & Smith Co., 317 U.S. 228 (1942)
United Carbon Co. v. Binney & Smith Co.
Argued November 13, 1942
Decided December 7, 1942
317 U.S. 228
1. Product claims of Patent No. 1,889,429, to Weigand and Venuto,
"1. Substantially pure carbon black in the form of commercially uniform, comparatively small, rounded, smooth aggregate having a spongy or porous interior. 2. As an article of manufacture, a pellet of approximately one-sixteenth of an inch in diameter and formed of a porous mass of substantially pure carbon black,"
held bad for indefiniteness. P. 317 U. S. 232.
2. A patentee may not broaden his claims by describing the product in terms of function. P. 317 U. S. 234.
3. An invention must be capable of accurate definition, and it must be accurately defined, to be patentable. P. 317 U. S. 237.
125 F.2d 255, 126 F.2d 3, reversed.
Certiorari, 316 U.S. 657, to review the reversal of a judgment, 37 F.Supp. 779, dismissing a suit for infringement of a patent.
Official Supreme Court caselaw is only found in the print version of the United States Reports. Justia caselaw is provided for general informational purposes only, and may not reflect current legal developments, verdicts or settlements. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or information linked to from this site. Please check official sources.