In re Donaldson

This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming a decision of the Primary Examiner rejecting all of the claims of appellant’s application for a patent filed on August 5, 1940. There accompanied the application an oath by appellant that the invention hacl not been in public use or on sale for more than two years prior to the filing of the application.

The board stated the ground of rejection and the contention of appellant as follows:

The claims were rejected for the reason that the claimed invention was prima facie in public use or on sale…