Patents

Caveats Copyrights, Label Registration Etc.

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Messrs. Munn & Co., in connection with the publicatim: of the Scientific American. continne to examine Improvements, and te, act ae Solicitors of Patents .or Inventors. In this line of business they have had oveR thirty Years' experience. and now have unequaled facilities for thE Preparation of Patent Drawings, SpeCifications, and tiE Prosecution of Applications for Patents in the United States Canada, and Foreirll Countries. Messrs. Mnnn & ('0. also attend to the preparation of Caveats, Registration of Labels, Copyrights for Bool;s, Labels, Reissnes. Assignments, and Reports on Infringements of Patents, All bn.iness intrusted to them is done with special care and promptness, on very moderate terms We send, free of charge. on applfcation, a lamphlet containing further information about Patents, and how to procure them; directions concerning Labels, Copyrights, Designs. Patents. Appeals, Reissnes, Infringement8, AsSl'gnmcnts, ReJ' ec ted e ases, H'In t s on th e S a I e of Pateuts, etc. For 8ign Patents.We also trend,/?w of charge, a Synopsis or Foreign" Patent ms, showing the cost and method of securing patents in all the principal countries of the world. American inventors should bear in mind that, as a general rule, any invention that is valua bl e tc th e pa t cntee, m. t h'Is coun trY l's wor th equaII y as mneh in England and some other forei hn countrie . FIve patents-embracmg CanadIan, English, German, French, and BeI!ian-will secure to an inventor the exe lu si ve monopol y t c his d iscovery among about one hUndred anD frfty millions ?f th e most 'ntei l'1gent peopJt m thc world. The faclilt.lCs of busmess and steam communication are such that patents can be obtained abroad by oar citizens almost as easily as at home. The expe""e to apply for an English patent IS $75; German, $100; French, $100; Belgian, $100; Canadian, $50. Copies of Plienis.-Persons desiring any patent issued from 1836 to November 20, 1866, can be supplied with official copies at reaeonable cost, the price depending upon the extent of drawings and length of specifications. Any patent issued sirce November 20, 1866, at which time the Patent Office commenced printing the drawings and specifications, may be had by remitting to this office $1. A copy Of the claims of any patent issued since 1836 Wllt be furu"hcd fOI $1. When ordering copies, please to remit for the same as above. and state name of patentee, title of invention, and date of patent. A pamphlet. containing full directions for obtaining United States patents, sent free. A handsomely bound Reference Book, gilt edges, contains 140 pages and many:'engravings and tables important to every pa:-entee and mechanic, and is a useful handbook of reference for everybody. Price 25 cents, mailed free. Address MUNN & CO., Publishers SCIENTIFIC AMERICAN, 3' Park Row, New York. I BRASCH OFFICE-Corner of . and ttk Btreet', I WCkington, D. C.

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