Swain v. Mallory

Marti.N, Judge,,

delivered the opinion of the court:

This appeal is from the decision of the Board of Patent Interferences which awarded priority of invention to junior party Mallory in Interference No. 90,050. ■ That interference involves an application serial No. 586,361, filed May 22,1956 by the senior party, Swain et al., and application serial No. 591,288, filed June 14, 1956 by the junior party, Mallory.1

The invention relates to a method of drilling oil or gas wells using an emulsion drilling fluid as set forth in the single count of the interference. That count reads:

1. In the method of…