Chapter CDLXIII. *to enable Richard A
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CHAP. CDLXIII.— An Act *to enable Richard A. Stewart to make Application to the Commissioner of Patents for the Extension of Letters-patent for an improvement in clarifying and defecating Cane-juice.* March 3, 1873. *Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,* That Richard A. Stewart, of the Richard A. Stewart may apply for extension of patent.parish of Saint Bernard, in the State of Louisiana, have leave to make application to the commissioner of patents for an extension of the letters-patent granted to him for improvement in clarifying and defecating cane juice, under date of January eleventh, eighteen hundred and fifty-nine, for the term of seven years from and after the expiration of the original term of fourteen years for which said letters-patent are granted, such application to be made in the same manner and to have the same effect as if the same had been filed not Jess than ninety days before the expira tion of the aforesaid original term of said patent.
And upon such appli cation, so filed, the commissioner of patents shall be authorized to consider and determine the same in the same manner, upon giving the same notice, and with the same effect, as if the application had been duly filed within the time prescribed by law, and as if the original term of said patent had FORTY-SECOND CONGRESS. Sess. III. Ch. 464, 465, 466. 1873. 791not expired: *Provided,* That no person shall be held liable for the infringement of said patent, if extended, for making use of said invention since die expiration of the original term of said patent, and prior to the date of its extension Approved, March 3, 1873.