Legal Opinion
Intellicall, Inc. v. Phonometrics, Inc.
Court of Appeals for the Federal Circuit
Decided January 9, 1992No. 91-1283PublishedCited by 254 opinions
1Opinion of the Court
NIES, Chief Judge.
Phonometrics, Inc., owner of U.S. Patent No. 3,769,463 (the ’463 patent), appeals from the summary judgment of the United States District Court for the Northern District of Texas declaring that Intellicall, Inc., had not infringed the ’463 patent. We affirm.
I
BACKGROUND
The ’463 patent claims an apparatus for automatically computing and recording the cost of a long-distance telephone call. As described in the specification, the cumulative call cost information is displayed to the caller while the call is being made. Claim 1, the only independent claim of the ’463 patent,…
2Cases cited16 opinions
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- Pennwalt Corporation, Appellant/cross-Appellee v. Durand-Wayland, Inc., Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1987
- Vas-Cath Incorporated and Gambro, Inc. v. Sakharam D. Mahurkar, and Quinton Instruments CompanyCourt of Appeals for the Federal Circuit · 1991
- Charles C. Johnston and Gordon P. Ramsey, as Trustees of the Amec Liquidating Trust v. Ivac CorporationCourt of Appeals for the Federal Circuit · 1989
- Becton Dickinson and Company v. C.R. Bard, Inc.Court of Appeals for the Federal Circuit · 1990
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3Cited by254 opinions
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- Teleflex, Inc. v. Ficosa North America Corp., Fico Cables, S.A., and Ficosa North America S.A. De C.V.Court of Appeals for the Federal Circuit · 2002
- Southwall Technologies, Inc. v. Cardinal Ig CompanyCourt of Appeals for the Federal Circuit · 1995
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