Knickerbocker Co. v. Rogers

GROSSCUP, District Judge.

The complainant claims under letters patent issued to Orville M. Morse, Nos. 403,362, 403,363, 403,770, and 408,987. Claim 2 of letters patent 403,363 is as follows:

“A dust collector, consisting of a tapering separating chamber having an imperforate peripheral wall, in which the whirling body of air forms a vortex, and in which the air moves from the periphery towards the axis of the vortex as it becomes freed from the solid matter; said chamber having at its large end a tangential inlet for the dust-laden air, and a discharge aperture for the purified air opening…