Legal Opinion
Hart & Hegeman Manuf'g Co. v. Anchor Electric Co.
U.S. Circuit Court for the District of Massachusetts
Decided August 20, 1897No. 696PublishedCited by 2 opinions
This was a bill in equity by the Hart & Hegeman 'Manufacturing - Company against the Anchor Electric Company and others for alleged infringement of reissue patent No. 11,395, dated February 13, 1893. to Jerrold W. Hart, for improvements in switches for making and breaking electric circuits supplying electric lights and similar electrical apyiaratus. The original patent was granted September 15, 1891, and numbered 459,700.
1Opinion of the Court
PUTNAM, Circuit Judge.
This patent purports to be for new and useful improvements in electric snap switches. It contains but one claim, which is as follows;
“The herein-described snap switch, consisting of a stop plate having stop shoulders, a central hub, and operating handle, an eccentric moving with said hub, a switch plate, a spring plate, a spring, and a catch operated by said ee-*912centric for releasing and stopping tlie switch plate, substantially as described, and for the purpose specified.”
All we find in the specification showing the nature of the invention is in the following language:
“My…
2Cases cited4 opinions
- Ball & Socket Fastener Co. v. Ball Glove Fastening Co.Court of Appeals for the First Circuit · 1893
- De Loriea v. WhitneyCourt of Appeals for the First Circuit · 1894
- Masten v. HuntCourt of Appeals for the First Circuit · 1893
- Masten v. HuntU.S. Circuit Court for the District of Massachusetts · 1892
3Cited by2 opinions
- Beach v. HobbsU.S. Circuit Court for the District of Massachusetts · 1897
- Campbell Printing-Press & Manufacturing Co. v. Duplex Printing-Press Co.U.S. Circuit Court for the District of Eastern Michigan · 1898