NIELDS, District Judge.
This is a civil action brought in March, 1936, for alleged infringement of three patents issued to plaintiff. The defenses are (1) invalidity by reason of anticipation and lack of invention, and (2) noninfringement.
Each of the patents has to do with retractable landing gear for aircraft. They are:
No. 1,306,768 granted June 17, 1919 on an application filed June 8, 1916. The patent expired three months after this action was...
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