This is a civil action brought in the' District Court under Section 145, Title 35, United States Code, to direct and authorize the Commissioner of Patents to issue a patent. The application for the patent was entitled “Closely Spaced Pot Structure for Loud Speaker Magnets”. It related to a magnetic structure for use in a permanent magnet loud speaker. The Primary Examiner and the Board of Appeals in the Patent Office were of opinion that the claims were not patentable over the prior art. Upon trial in the District Court those rulings were affirmed. We are of the same opinion.

Affirmed.