In re Cook

Appellant, Walter Cook, filed his application in the United States Patent Office for an improvement in a milling drill coupling. The Primary Examiner rejected claims 1 to 6, inclusive (all the claims in the application)'and upon appeal to the Board of Appeals, the examiner’s decision, was affirmed. From the decision of the board, appellant has here appealed.

In view of our conclusion, claim 1 is representative of all the claims and reads as follows:

1. In a mining drill coupling, a coupling element adapted to extend into a complementary socket in an adjacent drill section and having a radial…