In Re Kuhn

JOHNSON, Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the rejection by the Primary Examiner of claims 14, 15, 16, and 17 in appellant’s reissue application for a patent for new and useful improvements in “Fluid Treating Apparatus,” on the ground of laches, and the rejection of Claim 16 on prior art as well. The original patent claims, 1 to 13, inclusive, were allowed.

Appellant’s original application was filed on September 20, 1937, and matured into patent No. 2,275,444, dated March 10, 1942. The reissue application here…