AUGUSTUS N. HAND, Circuit Judge.
This is the usual patent suit brought by N. V. Philips' Gloeilampenfabrieken, the owner of United States patent No. 1,726,107, and Claude Neon Lights, Inc., its licensee, for infringement of claims 1 and 3. The invention, which was by Hertz, relates to electric discharge tubes, particularly to electric discharge tubes having a positive column light for lighting purposes. The commercial use of the tubes is for advertising signs.
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