L. B. Smith, Inc. v. Hughes
District Court, E.D. Pennsylvania
1Opinion of the Court
LEAHY, Senior District Judge.
Validity of the patent in suit is tested on an evaluation of the inventor’s contribution to the art, and by comparison of the patented structure with prior art. 35 U.S.C.A. § 103.
Meadows ’584
Meadows discloses a detachable goose-neck which is specifically different from the prior patents in the mechanism employed to lift the trailer into interlocking relationship with the gooseneck. The mechanism includes a nose block 19 having a projection at the rear end of the gooseneck adapted to be received in a cross channel and socket in the trailer. A wedge-shaped guide…
2Cases cited17 opinions
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
- Dean A. Lyon v. Bausch & Lomb Optical Co.Court of Appeals for the Second Circuit · 1955
- General Motors Corp. v. Estate Stove Co.Court of Appeals for the Sixth Circuit · 1953
- R. M. Palmer Company v. Luden's, Inc.Court of Appeals for the Third Circuit · 1956
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3Cited by6 opinions
- Span-Deck, Inc., a Tennessee Corporation v. Fab-Con, Incorporated, a Minnesota Corporation and Rauenhorst Corporation, Aminnesota CorporationCourt of Appeals for the Eighth Circuit · 1982
- Reliance Molded Plastics, Inc. v. Jiffy ProductsDistrict Court, D. New Jersey · 1963
- Atlas Copco Aktiebolag v. Ingersoll-Rand Co.District Court, D. New Jersey · 1967
- E. H. Tate Co. v. Jiffy Enterprises, Inc.District Court, E.D. Pennsylvania · 1961
- L. B. Smith, Inc. v. Luther J. Hughes, Trading and Doing Business as Hughes TrailersCourt of Appeals for the Third Circuit · 1962
1 more not listed; retrieve them via the Exa API.