Legal Opinion
Austin MacHinery Co. v. Buckeye Traction Ditcher Co.
Court of Appeals for the Sixth Circuit
Decided October 9, 1926No. 4315PublishedCited by 25 opinions
1Opinion of the Court
DENISON, Circuit Judge.
The court below dismissed the infringement suit brought by the appellant, as plaintiff, based upon the Bentson patent, No. 1,246,527, dated November 13, 1917, for an improvement in trenching machines. This patent had to do solely with an improvement, consisting of a spring cleaning device, by which the buckets on the continuous chain would be automatically cleaned by a resilient scraper. The court found that the patent involved invention and was infringed, and those points are not discussed in this court; but the patent was found invalid because of sale or public use by…
2Cases cited3 opinions
- Elizabeth v. Pavement Co.Supreme Court of the United States · 1878
- Smith & Griggs Manufacturing Co. v. SpragueSupreme Court of the United States · 1887
- Jenner v. BowenCourt of Appeals for the Sixth Circuit · 1905
3Cited by25 opinions
- Richard C. Price v. Dale R. SymsekCourt of Appeals for the Federal Circuit · 1993
- In Re Yarn Processing Patent Validity Litigation. Sauquoit Fibers Company v. Leesona Corporation, Kayser-Roth Corporation (In Its Own Name and D/B/A Kayser-Roth Hosiery Companyand Kayser-Roth Hosiery Co., Inc.) v. Leesona Corporation, Leesona Corporation v. The Duplan CorporationCourt of Appeals for the Fifth Circuit · 1974
- Tp Laboratories, Inc. v. Professional Positioners, Inc.Court of Appeals for the Federal Circuit · 1984
- The Robbins Company v. Lawrence Manufacturing CompanyCourt of Appeals for the Ninth Circuit · 1973
- TP Laboratories, Inc. v. Professional Positioners, Inc.Court of Appeals for the Federal Circuit · 1984
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