LEDERLE, Chief Judge.
1. This action involves a claimed infringement of three patents on air cleaners of the combined liquid washing and filtering type, used principally with automobile engines for the purpose of cleaning air that is to pass into carburetors. Defendant denies the infringement and contests the validity of the patents. The controversy involves Claims 1, 2, and 4 to 9, inclusive, of Zander Patent 1,951,384 issued March 20, 1934; Claims 1 to 10, inclusive...
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