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An act concerning the issues Of patents

 to aliens, for useful discoveries and in

 yentions.

 Be t endcted by the Senate and House Of Representatives. offhe Uaaied .stutes of .4me- | Taca m Congress assembled, That the pri- vileges granted to aliens described in the first section of the act to extend the privi- lege Of obtaining patents for useful disco veries ard inventions to persons therein mentioned, and to enlarge and define the penalties forvioiating the rights of patent ees, approved April seventeenth, eighteen hundred, be extended, in like manner. to every alien, who. at the time of petition ing for patent, shall be resident in the United States. and shall have declared his intention, according 10 law, to become citizen thereof: Propided That every patent granted by virtue of this act and the privileges thereto appertaining, shall cease and determine and become abso- futely void, without resort to any legal process to annul or cancel the same. in case of failure on the part of any pat entee, for the space of one year from the issuing thereof, to introduce into public nse in the United States, the invention or improvement for which the patent shai! be issued; or in case the same for any peri od of six months aft CT such introduction shall not continue to be publicly used and applied in the United States, or in case of failure to become citizen of the United states, agreeabiy to notice given at the earliest period within which he shall be entitled to become a citizen of the United States.

 Approved July 13, 1s32. e1