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FILT-O-PURE PRODUCTS CORPORATION v. CHEMEX CORPORATION

No. 297, Docket 23363.

222 F.2d 424 (1955)

FILT-O-PURE PRODUCTS CORPORATION and Fred E. Newman, Plaintiffs-Appellees, v. CHEMEX CORPORATION and Peter Schlumbohm, Defendants-Appellants.

United States Court of Appeals Second Circuit.

Decided May 2, 1955.

Attorney(s) appearing for the Case

No appearance for plaintiffs-appellees

Peter Schlumbohm, in pro. per.

Before CLARK, Chief Judge, and FRANK and HASTIE, Circuit Judges.

CLARK, Chief Judge.

Plaintiffs are the owners of a design patent No. 169,778 for a coffee brewer in the shape of an hourglass which they market under the name of the Filt-O-Pure Coffee Maker. They sued for a declaratory judgment of noninfringement or of invalidity of defendants' patents on the Chemex Coffee Maker and for an injunction to restrain defendants from threatening them or their customers with patent infringement actions. Defendants appeal from an order of...

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