RAINBOW LIGHT v. CLAUDE NEON LIGHTS


33 F.2d 910 (1929)

RAINBOW LIGHT, Inc., v. CLAUDE NEON LIGHTS, Inc.

District Court, S. D. New York.

July 25, 1929.


Attorney(s) appearing for the Case

Wm. H. Davis and Leslie B. Young, both of New York City, for plaintiff.

Edwin J. Prindle and Wm. Bohleber, both of New York City, for defendant.


FRANK J. COLEMAN, District Judge.

The patent in suit covers a process for purifying the glass tubes used in neon lights before the neon is put into them. If a tube is merely evacuated before introducing the neon, impurities will in the operation of the lamp come from the walls of the tube, and, mixing with the neon, cause a great decrease in luminosity. There were various methods of eliminating these impurities from the neon after the contamination, but the patentee...

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