COMMUNICATIONS RECEIVED. [OFFICIAL. INDEX OF INVENTIONS Patent of the United States were August 3 1875 AND EACH BEARING THAT DATE. DESIGNS PATENTED. SCHEDULE OF PATENT FEES. 810 825 815 On issuing eacn onginal Patent 820 810 820 On application for Reissue 830 810 On an application for Design (834 years) 810 815 830 CANADIAN PATENTS. LIST OP PATENTS GRANTED IN CANADA August 7 1875. How Can I Beet Secure My Invention Preliminary Examination. To Make an Application for a Patent., scientific american, 1875-09-04
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