Cutler-Hammer Mfg. Co. v. Union Electric Mfg. Co.
U.S. Circuit Court for the District of Eastern Wisconsin
In Equity. This is a final hearing in equity. Complainants by their original bill allege exclusive ownership of two certain' letters patent of the United States, Nos. 418,678 and 368,804, for former, known as the “Blades Patent,” being for an electric starting box or rheostat, and the latter, known as the “Baker Patent,” being for an electric resistance coil, which two devices are capable of conjoint use in the same structure, and complainant avers that it employs and…
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In Equity. This is a final hearing in equity. Complainants by their original bill allege exclusive ownership of two certain' letters patent of the United States, Nos. 418,678 and 368,804, for former, known as the “Blades Patent,” being for an electric starting box or rheostat, and the latter, known as the “Baker Patent,” being for an electric resistance coil, which two devices are capable of conjoint use in the same structure, and complainant avers that it employs and associates the same in a single unitary mechanism; that the defendants habitually employ both such patents in such conjoint…
1Opinion of the CourtQuarles, District Judge
(after stating the facts). This suit involves the validity of two distinct patents. The testimony taken is very voluminous, as the prior art in both fields has been thoroughly explored. The arguments of counsel on both sides have been able and exhaustive. The briefs are more like treatises on the electric art.
We will first consider complainant’s letters patent No. 418,678, which will be for convenience hereafter designated as the “Blades Patent.” Claims 1 and 4 of this patent are. alone in controversy. Such claims are in the words and figures following, to wit:
“(1) In a shunt-wound electric…
2Cases cited28 opinions
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
- Morley Sewing MacHine Co. v. LancasterSupreme Court of the United States · 1889
- Hobbs v. BeachSupreme Court of the United States · 1901
- Imhaeuser v. BuerkSupreme Court of the United States · 1880
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3Cited by7 opinions
- Remington Cash Register Co. v. National Cash Register Co.District Court, D. Connecticut · 1925
- Heller Bros. v. Crucible Steel Co. of AmericaCourt of Appeals for the Third Circuit · 1924
- Pittsburgh-Erie Saw Corp. v. Southern Saw Service, Inc.District Court, N.D. Georgia · 1955
- In re WeeksCourt of Customs and Patent Appeals · 1931
- Matter of the Application of Carl B. NashCourt of Customs and Patent Appeals · 1956
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