Chapter CCXVI. for the Relief of Alexander C
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CHAP. CCXVI.— An Act for the Relief of Alexander C. Twining.July 7, 1870. *Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,* That as soon as practicable afterPatent of Alexander C. Twining extended. the passage of this act the commissioner of patents is hereby authorized and directed to extend the patent of Alexander C. Twining, dated November eighth, eighteen hundred and fifty-three, and numbered ten thousand two hundred and twenty-one, for an improvement in the process and apparatus for making ice, for the term of seven years, commencing on the third day of July, eighteen hundred and seventy-one, and ending on the third day of July, eighteen hundred and seventy-eight, unless, upon examination by said commissioner, it be found that the substantive invention secured by said patent was not new and patentable at the time of the date of said patent.
Approved, July 7, 1870.