RICH, Judge.
This appeal is from a decision of the Patent and Trademark Office Board of Appeals (board) affirming the rejection under 35 U.S.C. § 103 of claims 27, 29, 31, 33, 36, 37, and 41 in appellants' application serial No. 133,990, filed April 14, 1971, for reissue of their United States patent No. 3,438,706 entitled "Electrophotographic Device." The board reversed the § 103 rejection of claim 42. The patent is assigned to Canon, Inc. of Japan. We...
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