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Patent soliciting and United States court practice, with remarks concerning specifications and claims, drawings, official examination, appeals, reissues, searches and reports, court practice, interferences, foreign patents, etc (1883)

Howson & Howson. [from old catalog] · [Philadelphia, Press of Times printing house] · leaf 154

An illustration from Patent soliciting and United States court practice, with remarks concerning specifications and claims, drawings, official examination, appeals, reissues, searches and reports, court practice, interferences, foreign patents, etc, 1883, leaf 154
THE ORIGINAL OF THIS DRAWING AND THE SPECIFICATION RELATING TO IT WERE SPECIALLYPREPARED AT THESE OFFICES, FOR THE L), S. PATENT OFFICE RULES OF JANUARY. 1880. CLARK, REEVES & CO.COLUMN, N. Y. ELEVATED R. R. Vf^ff/^n … WHARTON SWITCH CO-FROG.

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