Boyer v. Cleveland Pneumatic Tool Co.
Court of Appeals for the Sixth Circuit
Appeal from the Circuit Court of the United States for the Eastern Division of the Northern District of Ohio. Suit in equity by Joseph Boyer against the Cleveland Pneumatic Tool Company. Decree for defendant, and complainant appeals.
1Opinion of the Court
SATER, District Judge.
The complainant sues for alleged infringement of letters patent No. 667,863, issued to him on February 12, 1901, for improvements in pneumatic hammers. The defendant's hammer is constructed under the Richards patent No. 735,589, issued August 4, 1903. The claims alleged to be infringed are 1 to 9, both inclusive. Claims 2, 4, 6, and 8 differ from those next preceding them, respectively, by specifically providing that the valves must be “operated by fluid pressure alone.” It is believed to be unnecessary for the purposes of the case to set forth a detailed description of…
2Cases cited8 opinions
- Miller v. Eagle Manufacturing Co.Supreme Court of the United States · 1894
- Boyer v. Keller Tool Co.Court of Appeals for the Third Circuit · 1903
- American Pneumatic Tool Co. v. Bigelow Co.U.S. Circuit Court for the District of Connecticut · 1899
- American Pneumatic Tool Co. v. Philadelphia Pneumatic Tool Co.District Court, S.D. New York · 1903
- American Pneumatic Tool Co. v. Bigelow Co.Court of Appeals for the Second Circuit · 1897
3 more not listed; retrieve them via the Exa API.
3Cited by3 opinions
- Gordon Form Lathe Co. v. Walcott Machine Co.District Court, E.D. Michigan · 1927
- Cold Metal Process Co. v. Aluminum Co.District Court, E.D. Tennessee · 1961
- Chicago Pneumatic Tool Co. v. Keller Pneumatic Tool Co.Court of Appeals for the Third Circuit · 1923