Duff v. Sterling Pump Co.
Supreme Court of the United States
Appeal from the Circuit Court of the United States for the Northern District of Illinois. The case is stated in the opinion of the court.
1Opinion of the CourtJustice Blatchford
This is a suit in equity brought for the alleged infringement of reissued letters-patent No. 6673, granted to Mrs. P. Duff, E. A. Kitzmiller, and R. P. Duff, Oct. 5, 1875, for an “improvement in wash-boards,” on the surrender of original letters-patent No. 111,585, granted to Westly Todd, as inventor, Feb. 7, 1871. The specification of the reissue says: “ The nature of my invention consists in the construction of a sheet-metal wash-board with a rubbing face longitudinally and transversely corrugated or ribbed, whereby such rubbing surface shall be made up of a series of projections, bounded…
2Cases cited1 opinion
- Railway Co. v. SaylesSupreme Court of the United States · 1878
3Cited by52 opinions
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- Miller v. Eagle Manufacturing Co.Supreme Court of the United States · 1894
- Hilton Davis Chemical Co. v. Warner-Jenkinson Company, Inc.Court of Appeals for the Federal Circuit · 1995
- Morley Sewing MacHine Co. v. LancasterSupreme Court of the United States · 1889
- Knapp v. MorssSupreme Court of the United States · 1893
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