Beidler v. United States,
253 U.S. 447 (1920)

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U.S. Supreme Court

Beidler v. United States, 253 U.S. 447 (1920)

Beidler v. United States

No. 260

Argued April 27, 28, 1920

Decided June 7, 1920

253 U.S. 447


Patent No. 1,057,397, granted to George C. Beidler, March 25, 1913, for an improvement in photographing and developing apparatus, doe not contain a description of the claimed discovery adequate to render it useful, and is therefore invalid for failure to disclose a practical invention.

53 Ct.Clms. 36 affirmed.

The case is stated in the opinion.

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