Legal Opinion
Sanford Inv. v. Enterprise Wheel & Car Corp.
Court of Appeals for the Fourth Circuit
Decided November 12, 1942No. 4962PublishedCited by 1 opinion
1Opinion of the Court
PARKER, Circuit Judge.
This is an appeal in a patent infringement suit in which the patents sued on were held invalid by the court below as mere aggregations of old devices lacking in patentable novelty. The patents involved are Stow Patent No. 1,961,016 and Stow Reissue Patents Nos. 20,590 and 20,591. They embrace a total of 397 claims; but only claims 21, 82 and 192 of Patent No. 1,961,016, claims 1, 12, 13, 27, 70 and 112 of Reissue Patent No. 20,-590, and claims 17 and 64 of Reissue Patent No. 20,591 are relied upon in this appeal.
All three patents relate to low-swung, wing-body mine cars.…
2Cases cited14 opinions
- Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
- Atlantic Works v. BradySupreme Court of the United States · 1883
- Hailes v. Van WormerSupreme Court of the United States · 1874
- Toledo Pressed Steel Co. v. Standard Parts, Inc.Supreme Court of the United States · 1939
- Powers-Kennedy Contracting Corp. v. Concrete Mixing & Conveying Co.Supreme Court of the United States · 1930
9 more not listed; retrieve them via the Exa API.
3Cited by1 opinion
- Thompson v. American Tobacco Co.Court of Appeals for the Fourth Circuit · 1949