Chapter XC. *authorizing the commissioner of the Patent Office to issue patents to Angier March Perkins and to John Howard Kyan.*May 31, 1838. *Be it enacted, &c*.,That the Commissioner of the Patent Office be, and he is hereby, authorized, on application at any time within sixPatents to issue, on application w
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/statutes-at-large/vol-6/chapter-xc-3234104·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Chap. XC.— An Act *authorizing the commissioner of the Patent Office to issue patents to Angier March Perkins and to John Howard Kyan.*May 31, 1838. *Be it enacted, &c*.,That the Commissioner of the Patent Office be, and he is hereby, authorized, on application at any time within sixPatents to issue, on application within six months, for certain inventions. months from the passage of this act, to issue a patent to Angier March Perkins, for his invention of an improved method of warming buildings and heating and evaporating fluids, for which said Perkins took out letters patent in England, on the thirtieth day of July, one thousand eight hundred and thirty-one; and also to John Howard Kyan, for his invention of an improved method of preserving vegetable substances from decay, for which letters patent were granted in England to said Kyan, on the thirty-first day of March, one thousand eight hundred and thirty-two, notwithstanding the lapse of more than six months from the publication of the aforesaid letters patent respectively; the said Commissioner being governed, in all other respects, in considering such applications and issuing said patents, by the provisions of the existing general laws relating to granting and issuing patents for new inventions and discoveries; and the said patents so granted shall confer the same rights and privileges as are conferred by patents granted under the general law aforesaid, and no other, excepting as herein mentioned; *Provided, however*, That the said patents shall be limited respectivelyProviso. to the term of fourteen years from the time of the publication of said original letters patent: *And provided, also*,Proviso.
That the same shall not be construed to deprive any person of the right to use, or vend to others to be used, the mechanism or apparatus invented and employed in the practice o; use of the said improved methods respectively, which may have been made, constructed or purchased for the purpose or purposes aforesaid, prior to the passage of this act. Approved, May 31, 1838.