APPLICATIONS FOR EXTENSIONS. DESIGNS PATENTED. TRADE MARKS REGISTERED. SCHEDULE OF PATENT FEES. 810 820 $30 850 850 810 810 815 830 CANADIAN PATENTS. HOW TO OBTAIN Patents and Cots 37 Park Raw New York. VALUE OF PATENTS And How to Obtain Them. To Make an Application for a Patent. How Can I Best Secure My Invention? Preliminary Examination. Value of Extended Patents. Caveats. EXTENSIONS GRANTED. DISCLAIMERS. IN CANADA. p HOW T OBTAIN PENIS, scientific american, 1874-02-21
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