Farmer v. Pritchard

An interference was declared by the United States Patent Office between the application for patent, Serial No. 37093, filed by the appellant, Albert J. Farmer, on June 15,1925, and the application of William S. Pritchard, the appellee, Serial No. 80686, filed January 11, 1926, for a similar invention.

The subject matter of the interference was set forth in three counts which are as follows:

1. In a valve, a chamber connected to a part to be lubricated and to a lubricant supply, an element reciprocably mounted in said chamber for expelling a previous^ measured quantity of lubricant from said…