Page:United States Statutes at Large Volume 17.djvu/730

 690 FORTY—SECOND CONGRESS. Sess. II. Ch. 439-442. 1872. the time prescribed by law, prior to the expiration of said patent, and as P'°‘"“°‘ if no hearing had ever occurred for such extension: Provided, Thatiii case said extension shall be granted no person shall be held liable for damages for infringement of said patent, or for sale or use of said improvement, between the date of the expiration of the original patent and the date of such extension. Approved, June 10, 1872. June 10, 1872. CHAP. CDXL. —An Act to enable William Sellers and Coleman Sellers to make Application to the Commissioner of Patents jbr the Extension zy`Lettev·s-patentfzr an Improvement in Coupling for Shu/Zing. _ _ Be it enacted by the Senate and House of Representatives of the United W‘u‘*““ S°u°“ States of America in Congress assembled That William Sellers and Colemd Coleman . ’, . . . S61;€,,,,my,,pply man Sellers, of the city and county of 1 hiladelphia, m the State of rm- eutensionof Pennsylvania, have leave to make application to the commissioner of l°°°°"`p*"°“t‘ patents for anlexteusion of the letters-patent granted to them for improvement 111 coupling for shaftmg, under date of May fifth, one thousand eight hundred and fifty-seven, for the term of seven years from and after the expiration of the original term of fourteen years for which said letterspatent are granted, such application to be made in the same manner and to have the same efl"eet as if the same had been filed not less than ninety days before the expiration of the aforesaid original term of said patent. And, upon such application so filed, the commissioner of patents shall be authorized to consider and determine the same in the same manner 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 not P¥°Vi¤°$· expired: Provided That no person shall be held liable for the infringement of said pateht., if extended, for making use of said invention since the expiration of the original term of said patent and prior to the date of its extension. A1’PROVED, June 10, 1872. J¤¤¤ 10, 1872- CHAP. CDXLI. —-An Act for the Rdiqfqf Charles P. S. Wardwell. . Be it enacted by the Senate and House of Representatives of the United Chim of States 0 'America in Owe ress assembled That the commissioner of at- Charles P S - g · ’ · ·. P Wm.dw0u'fm} eX_ ents be, and hereby is, authorized to entertain, consider, and decide upon e i fl tc - the a lication of Charles P. S. W· rd ·e1l, fo e ten 'o fl tt - te t lggfglgggcigj grantgd to the said \Vardwe]l for (dn Yi improlired eirsdulzifsavsmsddliide dr ’bench," hearing date the tenth day of March, anno Domini eighteen hundred and fifty-seven, in the same manner, upon the same evidence, and to the same eH`ect as if said application had been filed in due form and within Promos- the time prescribed by law : Provided, That the application he made within sixty days from the passage of this act: And provided further, That nothing herein shall be so construed as to hold responsible ui damages any person who may have manufactured, applied, or used S&1d 11Il·· provemeut between the expiration of the said patent and the approval of this act. A1>r1z0v1·:1>, June 10, 1872. J¤¤°10·1872· CHAP. CDXTJII. -—- An Act fw the Relief of Jane Al/en Birc/chead and Wrqinia Campbell, sole Heirs at Law 1y' Alexander l’Vuts0n, deceased, ` Be it enacted by the Senate and House 0/` Representatives of ihe United payment tp States vf'America in Congress assembled, That the Secretary of the Treas- £:p;¢;;\§¤V€i;r<=k- ury be directed to pay to Jane Allen Birekhead and Virginia Campbell. gmk campbell_ daughters arid sole heirs at law of Alexander Wats0r1, deceased, out of any money in the treasury not otherwise appropriated, the sum of thirty thousand dollars for property lost, captured. or destroyed in Florida,