Dashiell v. Grosvenor
Supreme Court of the United States
CERTIORARI TO THE CIRCUIT COURT OF APPEALS FOR THE FOURTH CIRCUIT. This was a bill in equity by the appellees against Dashiell for the infringement of letters-patent No. 425,584, issued April 15,- 1890, to Samuel Seabury, a lieutenant in the United States Navy,- for an improvement in breech-loading cannon.
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CERTIORARI TO THE CIRCUIT COURT OF APPEALS FOR THE FOURTH CIRCUIT. This was a bill in equity by the appellees against Dashiell for the infringement of letters-patent No. 425,584, issued April 15,- 1890, to Samuel Seabury, a lieutenant in the United States Navy,- for an improvement in breech-loading cannon. In his specification the patentee made the following statement of his invention : “This improvement relates to breech-loading cannon in which a screw breech-block, which is withdrawn in a rearward direction, is employed, with a swing carrier or receiver hinged to one side of the breech of…
1Opinion of the CourtJustice BeowN
The question of infringement in this case turns largely upon the construction to be given to- the first claim of the Seabury patent. If, as set forth in his specification, he is entitled to claim broadly, by the continuous operation of a single lever, the performance of the three movements necessary to open the breech of a breech-loading gun, viz., unlocking the breech-block, pulling it back into the receiver, and swinging it to one side, the Dashiell patent, which effects the same movements in substantially the same way, would probably be an infringement. It is claimed that, prior to the…
2Cases cited1 opinion
- Belknap v. SchildSupreme Court of the United States · 1896
3Cited by31 opinions
- E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc., E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc.Court of Appeals for the Eighth Circuit · 1980
- Western States MacH. Co. v. S. S. Hepworth Co.Court of Appeals for the Second Circuit · 1945
- Remington Cash Register Co. v. National Cash Register Co.District Court, D. Connecticut · 1925
- Zephyr American Corporation v. Bates Mfg. Co.Court of Appeals for the Third Circuit · 1942
- Simmons Company v. A. Brandwein & Co., and the Seng Company, Intervenor-Defendant-AppelleeCourt of Appeals for the Seventh Circuit · 1957
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