Sperry Mfg. Co. v. J. L. Owens Co.

Citations

• 111 F. 388
• 49 C.C.A. 399
• 1901 U.S. App. LEXIS 4390

Syllabus

<p>1. Patents—Invention—Evidence of Utility and Extensive Use.</p> <p>To entitle evidence of the utility of a patented machine and of its. extensive use to consideration on the question of invention, it must clearly show utility superior to that of other like machines, and a mdre extensive use.</p> <p>2. Same—Fanning Mills.</p> <p>The’Sperry patent, No. 267,092, for a fanning mill, shows only a combination of old appliances and devices previously used in such mills, in a manner which produces only old results and evolves no new functions, and is void for lack of patentable invention.</p>