The inventors' hand-book, containing full information in regard to securing and selling patents, both foreign and domestic (1882)
[Richards & co., New York] [from old catalog] · [New York] · leaf 29
x arbitrarily a term lower thanfifteen years, the patent originally demanded for five or ten years maybeprolonged to the maximum. The invention must be worked within twoyears from the grant. Patents of improvement may be obtained in thesame form as the original. The taxes on both originals and… … McCormick Block, Cor. Randolph & Dearborn Sts., CHICAGO, ILL. EUGENE E. LUCE, Manager. MEXICO, NICARAGUA, ETC. 29 patents are forfeited if subsequent patents are procured for the same in-vention in the name of the grantee. Cost, $50. This does not includegovernment tax. ASSIGNMENTS can only be…
Patents
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