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BLANC v. CURTIS

No. 8502.

119 F.2d 395 (1941)

BLANC v. CURTIS.

Circuit Court of Appeals, Sixth Circuit.

April 17, 1941.

Attorney(s) appearing for the Case

James P. Hume, of Chicago, Ill. (Ralph Orwig, of Des Moines, Iowa, Wilkinson, Huxley, Byron & Knight and James P. Hume, all of Chicago, Ill., and Bert H. Long, of Cincinnati, Ohio, on the brief), for appellant.

Walter F. Murray, of Cincinnati, Ohio (Murray, Sackhoff & Paddack, of Cincinnati, Ohio, on the brief), for appellee.

Before ALLEN, HAMILTON, and MARTIN, Circuit Judges.

ALLEN, Circuit Judge.

This is an appeal from a decree of the District Court holding two patents, issued to and owned by appellant, valid but not infringed. Appellee Sanger manufactures the devices alleged to infringe, and appellee Curtis uses them in his sewer cleaning service.

The Machine Patent

Patent 2,111,527, issued to Blanc March 15, 1938, is for a drain cleaner. Claim 4 of the patent is the only one involved. It reads as follows:

...

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