Vultex Corp. of America v. Heveatex Corp.

BREWSTER, District Judge.

These two infringement suits were tried together and may be conveniently considered in one opinion. No. 4023 charges infringement of United States letters patent No. 1,443,149 and No. 4281 charges infringement of United States letters patent No. 1,-682,857.

Defendants attack the validity of the claims involved and deny infringement.

The following, so far as it contains statement of facts and conclusions of law, may be deemed a compliance with Equity Rule 70% (28 U.S.C.A. following section 723).

In order to understand the issues, it may be well to preface this opinion…