Air Devices, Inc. v. Air Factors, Inc.
Opinion
lead Opinion
Yankwich, J.
Action for infringement of Letters Patent 2,240,617, issued May 6, 1941, to P. D. Harrigan, assignor to plaintiff, Air Devices, Inc.
The claims involved are 1, 2 and 5, which read:
“1. An air-distributing device comprising a plurality of plates disposed in spaced substantially parallel relation, the front edges of said plates lying in substantially a single plane and said plates being inclined relatively to said plane, and vanes provided on one surface of each of said plates, said vanes extending in an oblique direction relatively to the longitudinal dimensions of the plates.”
“2. An air-distributing device comprising a plurality of plates disposed in spaced substantially parallel relation, the front *820 edges of said plates lying in substantially a single plane, and said plates being inclined relatively to said plane, and vanes provided on one surface of each of said plates, said vanes extending in an oblique direction relatively to the longitudinal dimensions of the plates, and said vanes extending into the spaces between the plates.”
“5. An air-distributing device comprising a plurality of plates disposed in spaced substantially parallel relation, the front edges of said…