Lincoln v. Mattatuck Mfg. Co.

MACK, Circuit Judge.

For the third time we are called upon to consider an alleged infringement of Alleyn patent, No. 995,758, for the anti-frietion tips for furniture, designed to replace casters and known as “domes of silence.” The single claim of the patent reads:

“In an article of manufacture, a tip for supporting wooden chairs and the like, adapted for contact with a support therefor, consisting of a continuously curved convex portion of smooth sheet metal having am *1000.upturned rim continuously connected to said convex portion around its perimeter, and prongs of said sheet metal integral with…