Scientific American Volume 06 Number 20 (May 1862) . their funds. Invariable Rule.—It is an established rule of this officstop sending the perwhen he time for which it was pre-paidhas expired. Patent Claims.—Persons desiring the claim of any inven-tion which has been patented within thirty years, can obtain acopy by addressing a note to this office, stating the name of the pat-entee and date of patent, when known, and Inclosing $1 as fee forcopying. We can also furnish a sketch of any patented machine issuedsince 1853, to accompany the claim, on receipt of $2. Address MUNN& CO., Patent Solicit


Scientific American Volume 06 Number 20 (May 1862) . their funds. Invariable Rule.—It is an established rule of this officstop sending the perwhen he time for which it was pre-paidhas expired. Patent Claims.—Persons desiring the claim of any inven-tion which has been patented within thirty years, can obtain acopy by addressing a note to this office, stating the name of the pat-entee and date of patent, when known, and Inclosing $1 as fee forcopying. We can also furnish a sketch of any patented machine issuedsince 1853, to accompany the claim, on receipt of $2. Address MUNN& CO., Patent Solicitors, No. 37 Park Row, New York. New Pamphlets in German—We have just issued a re-vised edition of our pamphlet of Instructions to Inventors, containinga digest of the fees required under the new Patent Law, Ac, printedin the German language, which persons can have gratis upon appli-cation at this office. Address MUNN & CO., No. 37 Park-row, New York. ) 1862 SCIENTIFIC AMERICAN, INC. 318 Mkt Mwtiik gwffta. PATENTS FOR SEVENTEEN The new Patent Laws enacted by Congress on the 2d< f March, 1861, are now In fall force, and prove to be of great benefit10 all parties who are concerned in new inventions. The duration of patent* granted under thenewactlsprolonged to8BTUTKU yeaa, and the government fee required on flltng an appli-oation for a patent is reduced from 830 down to S15. Other changesn the fees are also made as follows :— On filing each ....$10 On filing each application for a Patent, except for a *16 On issuing each original Patent ;20 On appeal w Commissioner of Patents |«J On application for fw On appUeation for Extension of Patent fw On granting the Extension * *W On Wing Disclaimer •vvti fix On fiUng application for Design, three and a half .$10 On filing application for Design, seven years SID On filing application for Design, fourteen rears ISO The law abolishes discrimination in fees required of foreigner


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