Elevator Supplies Co. v. Graham & Norton Co.
Court of Appeals for the Third Circuit
1Opinion of the Court
WOOLLEY, Circuit Judge.
The bill charges the defendant with infringing certain claims of Re-issue Patent No. 13,932 to Wylde & Schenck and all claims of Letters Patent No. 1,105,053 issued to the same inventors. The District Court, having found the re-issue patent not infringed and the second patent invalid, dismissed the bill. 33 F.(2d) 146. The plaintiff appealed.
The inventions of the patents in suit relate to safety devices on elevators, particularly on passenger elevators.
The art knew from experience that certain dangers lurk in high speed elevator operations and that elevator passengers…
2Cases cited12 opinions
- McClain v. OrtmayerSupreme Court of the United States · 1891
- Mahn v. HarwoodSupreme Court of the United States · 1884
- I. T. S. Rubber Co. v. Essex Rubber Co.Supreme Court of the United States · 1926
- James v. CampbellSupreme Court of the United States · 1882
- Corbin Cabinet Lock Co. v. Eagle Lock Co.Supreme Court of the United States · 1893
7 more not listed; retrieve them via the Exa API.
3Cited by7 opinions
- Lawrence Nat. Bank v. RiceCourt of Appeals for the Tenth Circuit · 1936
- Allen-Bradley Co. v. Erie Resistor Corp.Court of Appeals for the Third Circuit · 1939
- Tampax, Inc. v. Personal Products CorporationDistrict Court, E.D. New York · 1941
- Application of WoodlingCourt of Customs and Patent Appeals · 1954
- Tipp Fireworks Co. v. Victory Sparkler & Specialty Co.Court of Appeals for the Third Circuit · 1933
2 more not listed; retrieve them via the Exa API.