Beidler v. United States

Citations

• 253 U.S. 447
• 40 S. Ct. 564
• 64 L. Ed. 1006
• 1920 U.S. LEXIS 1375

Syllabus

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