The Board of Appeals of the United States Patent Office affirmed the final rejection by the Primary Examiner of claims 25 to 29, inclusive, of a patent application, serial No. 511,754, filed November 24, 1943, "For Process of Coating Paper," as being unpatentable over the cited prior art, and further rejecting claims 25 and 29 on the ground that they are indefinite and that the "whereby" clause therein is...
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