Patent Appeals No. 5723. March 6, 1951. Rehearing Denied April 10, 1951. Sidney A. Johnson, Dallas, Tex. (Richard K. Stevens, Washington, D.C., of counsel), for appellant. E.L. Reynolds, Washington, D.C. (S. Wm. Cochran, Washington, D.C., of counsel), for Commissioner of Patents. Before GARRETT, Chief Judge, and JACKSON, O'CONNELL, JOHNSON, and WORLEY, Judges. GARRETT, Chief Judge. By this appeal appellant seeks review and reversal of the decision of the Board of Appeals of the United States Patent
No. 10513. December 28, 1944. Appeals from the District Court of the United States for the Southern District of California, Central Division; Peirson M. Hall, Judge. Patent infringement suit by Cranford P. Walker and others against the Halliburton Oil Well Cementing Company. From the portion of the decree holding two patents valid and infringed, the defendant appeals, and from the part of the decree holding a patent invalid, the plaintiffs cross-appeal. Reversed in part and affirmed in part. Frank
(a) PATENT APPLICANT.-An applicant for a patent, any of whose claims has been twice rejected, may appeal from the decision of the primary examiner to the Patent Trial and Appeal Board, having once paid the fee for such appeal. (b) PATENT OWNER.-A patent owner in a reexamination may appeal from the final rejection of any claim by the primary examiner to the Patent Trial and Appeal Board, having once paid the fee for such appeal. 35 U.S.C. § 134 July 19, 1952, ch. 950, 66 Stat. 801; Pub. L. 98-622