In re Creveling

The appellant filed application for a patent upon improvements in that type of lubricating means commonly known as grease guns. His application was filed January 28, 1925. A reissue .patent was granted on November 22,1927, to Wallace, No. Re. 16787, upon application filed October 8, 1925, on a similar device. On July 3, 1929, appellant copied from the Wallace patent certain claims and presented the same as a part of his application. Among these were claims 25 and 26, which were claims 12 and 14 of the Wallace patent. These claims are as follows:

25. A lubricant compressor comprising a…