Campbell v. Mayor of New York
U.S. Circuit Court for the District of Southern New York
In Equity. Motion for leave to take further proofs. Other opinions in this case will be found in 9 Fed. Rep. 500; 38 Fed. Rep. 795; 35 Fed. Rep. 14, 504.
1Opinion of the CourtWheeler, J.
The bill in this case sots up as valid letters patent No. 42,920, dated May 24, 1864, and granted to James Knibbs for an improvement in steam fire-engine pumps. The answer, among other things, alleges that the patent was void, “because that the said alleged- invention, with the knowledge, acquiescence, and consent of said inventor and pat-entees, had been in public use and on sale in this country for more than two years before the said alleged inventor’s or patentee’s application for their patent therefor. ” On traverse of the answer proofs were taken. The record shows clearly that the…
2Cases cited3 opinions
- Andrews v. HoveySupreme Court of the United States · 1888
- Andrews v. HoveySupreme Court of the United States · 1887
- Campbell v. Mayor of New YorkU.S. Circuit Court for the District of Southern New York · 1881
3Cited by2 opinions
- National Cash Register Co. v. American Cash Register Co.Court of Appeals for the Second Circuit · 1910
- McCreery Engineering Co. v. Massachusetts Fan Co.U.S. Circuit Court for the District of Massachusetts · 1911