United States Rubber Co. v. Sidney Blumenthal & Co.

AUGUSTUS N. HAND, Circuit Judge.

The three patents in suit relate (1) Gibbons to the process of manufacturing vulcanized rubber compositions, (2) Hopkinson to the coating of various fibrous materials with latex compositions, and (3) Foster & Cook to the application to needled pile fabric of latex compositions such as those described by Gibbons and Hopkinson.

Gibbons Patent No. 1,654,167.

The patent to Gibbons is particularly for a process of vulcanization where the vulcanizing ingredient or agent is combined with Latex. Gibbons’ only claim reads as follows: “Process of manufacturing vulcanized…