Weston Electrical Instrument Co. v. Stevens
Court of Appeals for the Second Circuit
Appeal from the Circuit Court of the United States for the Southern District of New York. This cause comes here on appeal from a decree of the United States Circuit Court for the Southern District of New York, adjudicating the validity and infringement of claims 2, 4, 6,10, and 12 of reissued patent No. 11,250, granted June 28,1892, and of claim 1 of patent No.'470,340, dated March 8, 1892, both granted to Edward Weston, and owned by complainant.
1Opinion of the Court
TOWNSEND, Circuit Judge.
As found by the court below, the reissued patent in suit covers the first practically successful commercial alternating current volt meter, and said instrument is recognized as the standard for measuring differences of potential in alternating current circuits. In these circumstances this court has undertaken an examination of the records and briefs with a disposition to give to the owner of said patent the benefit of the presumption thus raised in its favor.
The question of validity of the reissued patent depends upon the determination of the two following contentions…
2Cases cited4 opinions
- Hoskin v. FisherSupreme Court of the United States · 1888
- Pattee Plow Co. v. KingmanSupreme Court of the United States · 1889
- Weston Electrical Instrument Co. v. JewellU.S. Circuit Court for the District of Southern New York · 1904
- Featherstone v. George R. Bidwell Cycle Co.Court of Appeals for the Second Circuit · 1893