SHAKEPROOF LOCK WASHER CO. v. THOMPSON-BREMER & CO.

No. 4987.

68 F.2d 885 (1934)

SHAKEPROOF LOCK WASHER CO. v. THOMPSON-BREMER & CO.

Circuit Court of Appeals, Seventh Circuit.

February 13, 1934.


Attorney(s) appearing for the Case

Howard M. Cox and Henry M. Huxley, both of Chicago, Ill., for appellant.

Fred Gerlach and Norman H. Gerlach, both of Chicago, Ill., for appellee.

Before ALSCHULER, EVANS, and SPARKS, Circuit Judges.


ALSCHULER, Circuit Judge.

The appeal is from a decree finding invalid appellant's patent sued on, and dismissing its bill. The bill charged infringement of appellant's Gribbie patent No. 1,697,954, issued January 8, 1929, on application filed October 10, 1925, for an "electric connector." It shows a washer to be inserted between the base of the nut and the face of the work, and so designed that when the nut is firmly set the washer will resist its unscrewing. The...

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