Application of Hans T. F. Lundberg and Theodore Zuschlag

JOHNSON, Chief Judge.

This is an appeal from a decision of the Board of Appeals of the United States Patent Office, rejecting claims 51 and 54-58, the only remaining claims in appellants’ application for “Apparatus for and Method of Geophysical Exploration.”

The application here involved, No. 2,885, filed January 17, 1948, is a division of application No. 561,436, filed November 1, 1944; claims presented in the latter were before this court on appeal, In re Lundberg, 197 F.2d 336, 39 C.C.P.A., Patents, 971, from a rejection by the board. The claims there involved, however, were broader than the…