Page:United States Statutes at Large Volume 16.djvu/235

 FOR'1`Y—-FIRST CONGRESS. Sess. II. Ch. 230. 1870. 201 office, and shall be signed by the Secretary of the Interior and countersigned by the commissioner, and they shall be recorded, together with Patents W l>• the specification, in said office, in books to be kept for that purpose. r°°°td°d; Sec. 22. And be it further enacted, That every patent shall contain 9. to nnnnnn short title or description of the invention or discovery, correctly indicating what; its nature and design, and a grant to the patentee, his heirs or assigns, for to mn {0,. the term of seventeen years, of the exclusive right to make, use, and vend seventeen years. the said invention or discovery throughout the United States and the Territories thereof, referring to the specification for the particulars there- Copies of of ; and a copy of said specifications and of the drawings shall be annexed §f§°l§°:Q§';°’ to the patent and be a part thereofl paft of patent. Sec. 23. And be it further enacted, That every patent shall date as of D°*°°fP**’*°”*· a day not later than six months from the time at which it was passed and allowed, and notice thereof was sent to the applicant or his agent ; and if Lhidfinal fee shall not be paid within that period, the patent shall be withe. Sec. 24. And be it further enacted, That any person who has invented Patents may or discovered any new and useful art, machine, manufacture, or composi- $,°i,gl’_°“l"°d M tion of matter, or any new and useful improvement thereof, not known or used by others in this country, and not patented, or described in any printed publication in this or any foreign country, before his invention or discovery thereof; and not in public use or on sale for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon payment of the duty required by law, and other due proceedings had, obtain a patent therefor. Sec. 25. And be it further enacted, That no person shall be debarred, I;*tlg;et’“*°“l’ from receiving a patent for his invention or discovery, nor shall any pat- gnnnn. Q to ent be declared invalid, by reason of its having been first patented or debar hom recaused to be patented in a foreign country ; provided the same shall not §;L;‘"_§;‘ Pmnt have been introduced into public use in the United States for more than pj0V;,},, two years prior to the application, and that the patent shall expire at the _ same time with the foreign patent, or, if there be more than one, at the °b?;‘n°;°g;2eg;£° same time with the one having the shortest term; but in no case shall it be in force more than seventeen years. _ Sec. 26. And be it further enacted, That before any inventor or·discov· thAPFl¤¤¤*§`>Yé erer shall receive a patent for his invention or discovery, he shall make Scgigfgnfn °` application therefor, in writing, to the commissioner, and shall file in the patent office a written description of the same, and of the manner and process of making, constructing, compounding, and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art or science to which it appertains, or with which it is most nearly connected, to make, construct, compound, and use the same; and in case of a gpecidcation machine, he shall explain the principle thereof, and the best mode in lm °1“‘m‘ which he has contemplated applying that principle so as to distinguish it from other inventions; and he shall particularly point out and distinctly claim the part, improvement, or combination which he claims as his invention or discovery; and said specification and claim shall be signed by the inventor and attested by two witnesses. Sec. 27. And be it further enacted, That when the nature of the case Drawings. admits of drawings, the applicant shall furnish one copy signed by the inventor or his attorney in fact, and attested by two witnesses, which shall be filed in the patent office; and a copy of said drawings, to be furnished by the patent otlioe, shall be attached to the patent as part of the speci- Ecation. Sec. 28. And be it further enacted, That when the invention or discov- I Snnnimcn, of ery is of a. composition of matter, the applicant, if required by the com- ingredients, &c. missioner, shall furnish specimens of ingredients and of the composition, sufficient in quantity for the purpose of experiment. _ _ Sec. 29. And be it further enacted, That in all cases which admit of Models.