Double-Pointed Tack Co. v. Two Rivers Manuf'g Co. And Others. 1
Supreme Court of the United States
APPEAL PROM THE CIRCUIT COURT OF THE UNITED STATES FOR THE EASTERN DISTRICT OF WISCONSIN. This was a suit in equity brought in the Circuit Court of the United States for the Eastern District of Wisconsin, for the infringement of letters-patent No. 147,343, granted February 10th, 1874 > to ’the plaintiff, the Double-Pointed Tack Company, as assignee df Purckes Miles, the inventor, for an “ improvement in bail-ears.”
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APPEAL PROM THE CIRCUIT COURT OF THE UNITED STATES FOR THE EASTERN DISTRICT OF WISCONSIN. This was a suit in equity brought in the Circuit Court of the United States for the Eastern District of Wisconsin, for the infringement of letters-patent No. 147,343, granted February 10th, 1874 > to ’the plaintiff, the Double-Pointed Tack Company, as assignee df Purckes Miles, the inventor, for an “ improvement in bail-ears.” The circuit court dismissed the bill, and the plaintiff appealed to this c.ourt. The specification of the patent says: “ Wire-staples have been employed to form the fastening eyes…
1Opinion of the CourtJustice Blatchford
The gist of the invention set forth in the descriptive part of the specification, so far as the first claim is concerned, is to cut the two penetrating ends of the wire diagonally, and in such a way that, while the staple is being driven, the cut faces will both of them be on the lower side, and the two penetrating ends will both of them incline upwardly. It is shown to have been commonly known that the effect of a bevel or a diagonal cut on a penetrating point was to force the point, in being' driven,.in a direction away from the bevel or cut. Double-pointed staples, with á diagonal cut on…
2Cited by30 opinions
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- Fond Du Lac County v. MaySupreme Court of the United States · 1890
- Stirrat v. Excelsior Manuf'g Co.Court of Appeals for the Eighth Circuit · 1894
- Jefferson Standard Life Ins. v. MyersTexas Commission of Appeals · 1926
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