Chapter CCXIV. *for the Relief of Thomas D
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CHAP. CCXIV.— An Act *for the Relief of Thomas D. Burrall*. March 2, 1867. *Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled*, Extension of patent granted to Thomas D. Burrall. That the letters patent granted to Thomas D. Burrall on the sixth day of December, one thousand eight hundred and forty-five, for improvements in corn-shellers, and which was extended by the commissioner of patents and afterwards surrendered and reissued, which reissue bears date the tenth day of October, one thousand eight hundred and sixty-five, and which will expire on the sixth day of December, one thousand eight hundred and sixty-six, be, and the same is hereby, extended for the term of seven years, commencing on the said sixth day of December, one thousand eight hundred and sixty-six and ending on the sixth day of December one thousand eight hundred and seventy-three, for the benefit of the said Bmrall, his heirs and legal representatives, upon the conditions hereinafter set forth.
And the commissioner of patents is hereby directed, upon the presentation of said patent and the payment of the fees and charges provided by law, to extend said patent by making a certificate thereon, or upon a certified copy thereof, of such extension in the name of the said Thomas D. Burrall, if in his judgment upon full hearing that the same should be granted. And the said commissioner is hereby further directed to cause said extension, if perfected, to be entered on the record of the patent office.
And the said patent, so extended, shall have the same effect as if originally granted for the term extending to the end of the term to which it is extended by this act. *Provided, however*, That said extended patent shall be open to legal inquiry and decision in the same manner as if issued under the general law relating to patents. *And provided further*, That all persons enjoying the lawful use of the improvements secured by said patent, and the purchaser of any machine so in use, may continue to use the same as if this act had not passed.
Approved, March 2, 1867.