J. D. WALLACE & CO. v. PORTABLE POWER TOOL CORPORATION

No. 4475.

51 F.2d 488 (1931)

J. D. WALLACE & CO. v. PORTABLE POWER TOOL CORPORATION.

Circuit Court of Appeals, Seventh Circuit.

Rehearing Denied September 22, 1931.


Attorney(s) appearing for the Case

Fred M. Davis, Wm. E. Anderson, and Wm. R. Rummler, all of Chicago, Ill., for appellant.

Walter F. Murray and Frank L. Zugelter, both of Cincinnati, Ohio, and George E. Waldo, of Chicago, Ill., for appellee.

Before ALSCHULER and SPARKS, Circuit Judges, and LINDLEY, District Judge.


LINDLEY, District Judge.

Appellant appeals from a decree dismissing its bill of complaint for infringement of letters patent No. 1,314,291 issued to Wallace. The district court found that appellee does not infringe.

Wallace described and claimed a combination of elements intended to produce, over the prior art, an improved circular sawing device and accompanying appliances. Claim 12, said to be typical of all claims...

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