Williamson Heater Co. v. Monitor Stove Co.

PECK, District Judge.

Suit for infringement of claim 2 of patent No. 1,171,245, to Boyd E. Rainey, February 8, 1916, hot air furnace, on application of December 7, 1914. The answer, inter alia, denies infringement and avers limitation by file wrapper.

Counterclaim: Defendant counterclaims on patent to Short, No. 933,128, September 7, 1909, on application of November 15, 1906. The answer to counterclaim denies infringement, and asserts estoppel by the file wrapper and other defenses.

The Rainey Patent.

The first issue to be considered is that of infringement. The essence of the claim in…