MAJOR, Circuit Judge.
This is a suit for infringement of United States Patent No. 1,808,091, issued to plaintiff June 2, 1931. The defenses of invalidity and noninfringement were relied upon. The court found the patent invalid, but infringed if valid. Plaintiff appeals from the finding of invalidity and defendants appeal from that of infringement.
The patent is entitled "Pneumatic Tire Tube," concerning which the patentee states:
"My invention relates...
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