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UNION EDGE SETTER CO. V. KEITH, 139 U. S. 530 (1891)

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U.S. Supreme Court

Union Edge Setter Co. v. Keith, 139 U.S. 530 (1891)

Union Edge Setter Company v. Keith

No. 283

Argued March 20, 23, 1891

Decided April 6, 1891

139 U.S. 530

APPEAL FROM THE CIRCUIT COURT OF THE UNITED

STATES FOR THE DISTRICT OF MASSACHUSETTS

Syllabus

The first claim under letters patent No. 173,284, dated February 8, 1876, granted to Charles H. Helms for an improvement in sole-edge burnishing machines, namely, "in combination with the burnishing tool, and the rest for the face of the sole, the finger rest D, substantially as described" falls within the many rulings of this Court holding that a mere aggregation of old elements in a new relation is not the subject of a patent. chanrobles.com-red

Page 139 U. S. 531

This was a bill in equity for the infringement of letters patent No. 173,284, issued February 8, 1876, to Charles H. Helms for an improvement in sole edge burnishing machines. In the introduction to his specifications, the patentee stated that his machine consisted


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