Legal Opinion
Universal Coin Lock Co. v. American Sanitary Lock Co.
Court of Appeals for the Seventh Circuit
Decided June 13, 1939No. 6735PublishedCited by 22 opinions
1Opinion of the Court
KERNER, Circuit Judge.
On June 10, 1936, plaintiff, as owner of Patent No. 1,271,536, issued July 9, 1918, relating to coin-controlled locks with a guard flange, brought this suit to recover damages for an alleged infringement. The defendants denied the alleged infringement, interposed the further defense of laches and equitable estoppel, and prayed for affirmative equitable relief. The suit proceeded to trial on the equitable defenses pursuant to Section 274b of the Judicial Code, Title 28 U.S.C.A. § 398, approved in Banker v. Ford Motor Co., 3 Cir., 69 F.2d 665. The trial resulted in a…
2Cases cited9 opinions
- Chase v. ChaseSupreme Court of Rhode Island · 1897
- Dwight & Lloyd Sintering Co. v. GreenawaltCourt of Appeals for the Second Circuit · 1928
- Westco-Chippewa Pump Co. v. Delaware Electric & Supply Co.Court of Appeals for the Third Circuit · 1933
- George J. Meyer Mfg. Co. v. Miller Mfg. Co.Court of Appeals for the Seventh Circuit · 1928
- Window Glass Mach. Co. v. Pittsburgh Plate Glass Co.Court of Appeals for the Third Circuit · 1922
4 more not listed; retrieve them via the Exa API.
3Cited by22 opinions
- SCA Hygiene Products Aktiebolag v. First Quality Baby Products, LLCSupreme Court of the United States · 2017
- Baker Manufacturing Company v. Whitewater Manufacturing CompanyCourt of Appeals for the Seventh Circuit · 1970
- Continental Coatings Corporation v. Metco, Inc.Court of Appeals for the Seventh Circuit · 1972
- Rome Grader & MacHinery Corp. v. J. D. Adams Mfg. Co.Court of Appeals for the Seventh Circuit · 1943
- Lukens Steel Co. v. American Locomotive Co.Court of Appeals for the Second Circuit · 1952
17 more not listed; retrieve them via the Exa API.