In re Doll

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting all the claims, Nos. 6, 8, 9, and 10, in appellant’s application for a patent for alleged new and useful improvements in “Well Logging Method and Apparatus.”

Claim 10 is representative of the appealed claims. It reads—

10. Apparatus for investigating earth formations traversed by a bore hole comprising a plurality of spaced apart electrodes movable simultaneously along the bore hole, means for supplying electrical energy to a ground point and…