Legal Opinion
Macbeth-Evans Glass Co. v. L. E. Smith Glass Co.
Court of Appeals for the Third Circuit
Decided October 13, 1922No. 2805PublishedCited by 6 opinions
1Opinion of the Court
DAVIS, Circuit Judge.
This is an appeal from a decree of the District Court holding United States letters patent No. 1,342,744 “invalid •for want of invention.”
The invention relates to lenses for headlights used on automobiles and other vehicles, for the purpose of bending the light, emanat*194ing from a parabolic lamp casing, downward, and of diffusing it laterally, so as to reduce the glare in the eyes of persons approaching, and better illuminate the road and its sides. This result is accomplished by means of an integrally formed cover glass or lens comprising a lower portion of clear glass,…
2Cases cited11 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- Expanded Metal Co. v. BradfordSupreme Court of the United States · 1909
- Yale Lock Manufacturing Co. v. SargentSupreme Court of the United States · 1886
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3Cited by6 opinions
- MacBeth-evans Glass Co. v. L. E. Smith Glass Co.Court of Appeals for the Third Circuit · 1927
- Craft-Stone, Inc. v. Zenitherm Co.Court of Appeals for the Third Circuit · 1927
- Gross v. NorrisCourt of Appeals for the Fourth Circuit · 1928
- Julius Levine & Co. v. Automatic Paper Machinery Co.Court of Appeals for the Third Circuit · 1933
- Gross v. FrankCourt of Appeals for the Fourth Circuit · 1923
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