Diamond Drill & Machine Co. v. Kelly Bros.
U.S. Circuit Court for the District of Eastern Pennsylvania
In Equity. Suit for infringement of letters patent No. 433,791, for a coil clasp, granted August 3, 1890, to Calvin Jackson. On final hearing.
1Opinion of the Court
ARCHBALD, District Judge.*
The patent in suit was issued to Calvin Jackson, August 5, 1890, for a coil clasp; the object of the invention being declared to be “to provide a simple, cheap, and efficient clasp for mail bags, boots and shoes, gloves, trunks, valises and traveling bags, grain bags, corsets, belts, and for similar uses.” Its application to machine belts is that which has proved most general and effective, and is the one with which we have to deal in the present case. Stated in broad terms, as it appears in the specifications, the clasp consists in two spiral coils of wire, screwed…
2Cases cited3 opinions
- Bates v. CoeSupreme Court of the United States · 1878
- Barnes Automatic Sprinkler Co. v. Walworth Manuf'g Co.Court of Appeals for the Seventh Circuit · 1894
- Societe Anonyme Usine J. Cleret v. RehfussU.S. Circuit Court for the District of Eastern Pennsylvania · 1896
3Cited by20 opinions
- Boyer v. Keller Tool Co.Court of Appeals for the Third Circuit · 1903
- Lemley v. Dobson-Evans Co.Court of Appeals for the Sixth Circuit · 1917
- Union Typewriter Co. v. L. C. Smith & Bros.U.S. Circuit Court for the District of Western Pennsylvania · 1909
- Eck v. KutzU.S. Circuit Court for the District of Eastern Pennsylvania · 1904
- Camp Bros. & Co. v. Portable Wagon Dump & Elevator Co.Court of Appeals for the Seventh Circuit · 1917
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