To amend section 52 of judicial code and other statutes affecting procedure in Patent Office. Hearing before the Committee on Patents, House of Representatives, Sixty ninth Congress, first session, on H. R. 6252 and H. R. 7087 being, respectively, a bill to amend section 52 of the judicial code, and a bill amending the statutes of the United States as to procedure in the Patent Office and in the courts with regard to the granting of letters patent for inventions and with regard to interfering patents, February 4, 1926 ...

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