Legal Opinion
Callison v. Boyle
Court of Appeals for the Tenth Circuit
Decided March 21, 1938No. 622PublishedCited by 2 opinions
1Opinion of the Court
PHILLIPS, Circuit Judge.
Callison brought this suit against Boyle and the Crown Drug Company for alleged infringement of claim 6 of patent No. 1,645,370, issued October 11, 1927'. The trial court held the claim was not infringed by the defendants’ device and entered its decree dismissing the bill. Callison has appealed.
Claim 6 reads as follows:
“In an amusement device having a propelling device for balls, a target above the level of the propelling device, and an inclined surface leading from the target to the propelling device for returning the balls thereto, means between the target and the…
2Cases cited12 opinions
- Hollister v. Benedict & Burnham Manufacturing Co.Supreme Court of the United States · 1885
- Thompson v. BoisselierSupreme Court of the United States · 1885
- Saranac Automatic MacHine Corp. v. Wirebounds Patents Co.Supreme Court of the United States · 1931
- Donner v. Sheer Pharmacal CorporationCourt of Appeals for the Eighth Circuit · 1933
- Stearns-Roger Mfg. Co. v. RuthCourt of Appeals for the Tenth Circuit · 1932
7 more not listed; retrieve them via the Exa API.
3Cited by2 opinions
- Kobe, Inc. v. Dempsey Pump Co. Dempsey Pump Co. v. Kobe, Inc.Court of Appeals for the Tenth Circuit · 1952
- Solex Laboratories, Inc. v. GrahamDistrict Court, S.D. California · 1958