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HEYMAN MANUFACTURING COMPANY v. HAP CORPORATION

Civ. A. No. 2207.

196 F.Supp. 447 (1961)

HEYMAN MANUFACTURING COMPANY, Plaintiff, v. HAP CORPORATION, Defendant.

United States District Court D. Rhode Island.

June 23, 1961.

Attorney(s) appearing for the Case

Delavan Smith, New York City, John H. Chafee, Providence, R. I., of counsel, for plaintiff.

Max Schwartz, Providence, R. I., William R. Liberman, New York City, Walter Adler, Providence, R. I., of counsel, for defendant.

DAY, District Judge.

In this suit, as originally filed, plaintiff alleged infringement by the defendant of plaintiff's patent No. 2,476,738, issued July 19, 1949, to plaintiff as assignee of Ferdinand Klumpp, Jr. for the construction of a solderless blade for electrical plug caps. In its answer setting up the defenses of invalidity and non-infringement the defendant included a counterclaim alleging that plaintiff had infringed the claims of four letters patent belonging...

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