Western Electric Co. v. Galesburg Union Telephone Co.
Court of Appeals for the Seventh Circuit
Appeal from the Circuit Court of the United States for the Southern Division of the Northern District of Illinois. The suit in the Circuit Court was to restrain infringement of letters patent No. 669,708, issued March 12, 1901, for an improvement in apparatus for telephone switchboards.
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Appeal from the Circuit Court of the United States for the Southern Division of the Northern District of Illinois. The suit in the Circuit Court was to restrain infringement of letters patent No. 669,708, issued March 12, 1901, for an improvement in apparatus for telephone switchboards. The claims relied upon are 6. 7, 8, and 11. as follows: 6. The combination with a telephone-line, of a relay responding to currents in the line, a local circuit including a source of current, a resistance-coil,- and a line-signal lamp, controlled by the relay, the line-signal being associated with a…
1Opinion of the CourtGrosscup, Circuit Judge
Claim No. 6 may be taken as a single comprehensive statement of the invention claimed. That claim is as follows:
6. The combination with a telephone line, of a relay responding to currents in the line, a local circuit including a source of current, a resistance-coil, and a line-signal lamp, controlled by the relay, the line-signal being associated with a spring-jack of the line, a connecting plug for use with the spring-jack, a clearing-out-signal lamp associated with the connecting-plug, and switch-contacts adapted to close a shunt-circuit through the clearing-out-signal lamp about the…
2Cited by2 opinions
- Western Electric Co. v. FowlerCourt of Appeals for the Seventh Circuit · 1910
- Otis Elevator Co. v. Kaestner & Hecht Co.District Court, N.D. Illinois · 1916