U.S. Supreme Court
Gandy v. Main Belting Co., 143 U.S. 587 (1892)
Gandy v. Main Belting Company
Submitted January 8, 1892
Decided March 7, 1892
143 U.S. 587
APPEAL FROM THE CIRCUIT COURT OF THE UNITED
STATES FOR THE EASTERN DISTRICT OF PENNSYLVANIA
Letters patent No. 228,186, issued June 1, 1880, to Maurice Gandy, for an improved belt or band for driving machinery and an improved mechanical process of manufacturing the same are valid, and the novelty and utility of the invention protected by it are not disturbed by the evidence in this case.
The "public use or sale" of an invention "for more than two years prior to" the "application" for a patent for it, contemplated by section 4886 of the Revised Statutes as a reason for not issuing the patent or for its invalidation if issued, must be limited to a use or sale in this country.