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RESEARCH AND DEVELOPMENT CORPORATION v. CHASE

No. 5979.

88 F.2d 353 (1937)

RESEARCH AND DEVELOPMENT CORPORATION OF ILLINOIS v. CHASE et al.

Circuit Court of Appeals, Seventh Circuit.

Rehearing Denied March 25, 1937.

Attorney(s) appearing for the Case

Charles F. Murray, of Chicago, Ill., for appellant.

Casper William Ooms, of Chicago, Ill., for appellees.

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

LINDLEY, District Judge.

Appellees prevailed in a suit brought against appellant for infringement of patent No. 1,617,148 issued to Chase, February 8, 1927, for a can opener. The hearing involved claims 1, 2, 3, 4, and 6, of which 2, typical of all, is as follows:

"In a can opener, the combination of a frame having a top guide and a side guide; a traction wheel arranged to engage the underside of the rim of the can...

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