Adams v. Jones
U.S. Circuit Court for the District of Western Pennsylvania
In equity. This was a bill in equity [by Calvin Adams against J. Hervey Jones, .Alexander M. Wallingford, and another] for an injunction and account, founded upon the alleged violation and infringement of letters patent [No. 16.676,] for an “improved keeper for right and left-hand door-lcek,” granted to complainant February 24, 1857. The claim of the patent was as follows: “The use of a beveled keeper such as described, when employed in connection with a double-faced lock,…
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In equity. This was a bill in equity [by Calvin Adams against J. Hervey Jones, .Alexander M. Wallingford, and another] for an injunction and account, founded upon the alleged violation and infringement of letters patent [No. 16.676,] for an “improved keeper for right and left-hand door-lcek,” granted to complainant February 24, 1857. The claim of the patent was as follows: “The use of a beveled keeper such as described, when employed in connection with a double-faced lock, having a blunt bolt, so that the lock may be used on a right or left-hand door, without changing any of its parts, as set…
1Opinion of the Court
GRIER, Circuit Justice.
The complainant has a patent dated February 24. 1857, for an “improved keeper for right and left-hand door-locks.” It purports to be an improvement in the manufacture of an article now known under the appellation of “Janus-faced door-locks.” That species of lock was invented and patented by Sherwood. But in order to accommodate it to either a right or left-hand door, it was necessary to open it, so as to change the 'beveled side of the bolt. When this was done by a careless or inexperienced workman, the internal works of the lock were liable to become displaced. The…
2Cited by4 opinions
- Planing-Machine Co. v. KeithSupreme Court of the United States · 1880
- Mast, Foos & Co. v. Dempster Mill Manuf'g Co.Court of Appeals for the Eighth Circuit · 1897
- Electrical Accumulator Co. v. Julien Electric Co.U.S. Circuit Court for the District of Southern New York · 1889
- Western Electric Co. v. Sperry Electric Co.Court of Appeals for the Seventh Circuit · 1893