public use bar
Defined in 1 dictionary — Case Law
Definitions from Case Law
From 74 U.S. 583 - Agawam Company v. Jordan · 1868Most cited · 228 citing opinions
No patent shall be held to be invalid on account of such sale and public use, except on proof that the invention was on sale and in public use more than two years before the application therefor was filed in the Patent Office.