Legal Opinion
Kellogg Switchboard & Supply Co. v. International Telephone Mfg. Co.
U.S. Circuit Court for the Northern District of Illnois
Decided November 26, 1907No. 26,527PublishedCited by 4 opinions
In Equity. On final hearing.
1Opinion of the Court
KOHLSAAT, Circuit Judge.
Complainant seeks hereby to enjoin the defendant from infringing claims 1, 2, 8, 10, 11, 13, 15, 16, 17, and 18 — 10 in all — of patent No. 687,499, granted to Dean November ■26, 1901, for a telephone transmitter. They read as follows:
( “1. In a telephone-transmitter, the combination with a suitable diaphragm, of a chamber for the granules carried thereon, an electrode within said chamber and moving with said diaphragm, a supplemental diaphragm peripherally secured to said main diaphragm and a second electrode associated with said supplemental diaphragm in an…
2Cases cited6 opinions
- Crown Cork & Seal Co. v. Aluminum Stopper Co.Court of Appeals for the Fourth Circuit · 1901
- Ide v. Trorlicht, Duncker & Renard Carpet Co.Court of Appeals for the Eighth Circuit · 1902
- Mast, Foos & Co. v. Dempster Mill Manuf'g Co.Court of Appeals for the Eighth Circuit · 1897
- Universal Adding Mach. Co. v. Comptograph Co.Court of Appeals for the Seventh Circuit · 1906
- Bradford v. Expanded Metal Co.Court of Appeals for the Third Circuit · 1906
1 more not listed; retrieve them via the Exa API.
3Cited by4 opinions
- Toledo Computing Scale Co. v. Moneyweight Scale Co.U.S. Circuit Court for the Northern District of Illnois · 1910
- Curtain Supply Co. v. National Lock Washer Co.U.S. Circuit Court for the Northern District of Illnois · 1909
- J. E. Hanger. Inc. v. J. F. Rowley Co.Court of Appeals for the D.C. Circuit · 1924
- Abrahams v. Universal Wire Co.District Court, E.D. New York · 1926