Legal Opinion
Zip Mfg. Co. v. Pusch
Court of Appeals for the Eighth Circuit
Decided November 5, 1924No. 6592PublishedCited by 11 opinions
1Opinion of the Court
STONE, Circuit Judge.
This is a bill for infringement of letters patent No. 1,353,-197, dated September 21, 1920, issued to John F. Werder for a compound used in grinding1 or smoothing metal surfaces. From a decree dismissing the bill on the merits, plaintiff brings this appeal.
The answer in this case is a general denial and that the idea for this invention was secured from a grinding compound known as “Volcano Abrasive” made and marketed by David R. Hawes. At the trial, over objection of plaintiff, evidence was introduced of prior patents in the same general field and of similar substances…
2Cases cited21 opinions
- Seymour v. OsborneSupreme Court of the United States · 1871
- Brown v. PiperSupreme Court of the United States · 1875
- Cantrell v. WallickSupreme Court of the United States · 1886
- National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.Court of Appeals for the Eighth Circuit · 1901
- Lehnbeuter v. HolthausSupreme Court of the United States · 1882
16 more not listed; retrieve them via the Exa API.
3Cited by11 opinions
- Donner v. Sheer Pharmacal CorporationCourt of Appeals for the Eighth Circuit · 1933
- Frick Co. v. LindsayCourt of Appeals for the Fourth Circuit · 1928
- Tropic-Aire, Inc. v. Sears, Roebuck & Co.Court of Appeals for the Eighth Circuit · 1930
- Callison v. DeanCourt of Appeals for the Tenth Circuit · 1934
- Johnson Automobile Lock Co. v. Noser Instant Auto Lock Co.Court of Appeals for the Eighth Circuit · 1925
6 more not listed; retrieve them via the Exa API.