Blake v. Robertson
Supreme Court of the United States
Appeals from the Circuit Court of the United States for the Eastern District of New York. The facts are stated in the opinion of the court.
1Opinion of the CourtJustice Swayne
These are cross-appeals in the same cause. Both involve questions in mechanics. These being determined, the legal propositions which apply are so well settled as to admit of no controversy.
A patent was granted to Blake on the 15th of June, -1858, by' the United States, for a stone-breaker. On the 9th of January, 1866, the same authority reissued the patent to him, with amended specifications, It was extended on the 15th of June, 1872. The bill in this case is founded upon the latter patent. It charges infringement.
The answer avers that the machine described is of no practical utility, denies…
2Cited by47 opinions
- Tilghman v. ProctorSupreme Court of the United States · 1888
- National Cash Register Co. v. American Cash Register Co.Court of Appeals for the Third Circuit · 1892
- United States Ozone Co. v. United States Ozone Co. of AmericaCourt of Appeals for the Seventh Circuit · 1932
- Dobson v. Hartford Carpet Co.Supreme Court of the United States · 1885
- Warren v. KeepSupreme Court of the United States · 1894
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