O'Rourke Engineering Const. Co. v. McMullen
Court of Appeals for the Second Circuit
Appeal from the Circuit Court of the United States for the Southern District of New York.
1Opinion of the Court
WARD, Circuit Judge.
This action is brought for infringement of letters patent, No. 500,149, to D. E. Moran, and No. 514,843 to William C. Barr, duly assigned to complainant.
The subject of the controversy is an air lock in combination with a caisson used in construction work at levels beneath the water line, such combination having been long in use. The caisson sinks as excavation continues, the water being kept out by compressed air constantly pumped into the caisson. If the empty bucket were carried directly into the caisson or the full bucket out of it, the compressed air would rapidly…
2Cases cited2 opinions
- Goodyear Shoe Machinery Co. v. JacksonCourt of Appeals for the First Circuit · 1901
- Shickle, Harrison & Howard Iron Co. v. St. Louis Car-Coupler Co.Court of Appeals for the Eighth Circuit · 1896
3Cited by44 opinions
- WM. B. Scaife & Sons Co. v. Falls City Woolen MillsCourt of Appeals for the Sixth Circuit · 1913
- H. D. Smith & Co. v. PeckCourt of Appeals for the Second Circuit · 1919
- National Tube Co. v. MarkCourt of Appeals for the Sixth Circuit · 1914
- Stead Lens Co. v. Kryptok Co.Court of Appeals for the Eighth Circuit · 1914
- Kryptok Co. v. Stead Lens Co.District Court, W.D. Missouri · 1913
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