RAFFOLD PROCESS CORPORATION v. CASTANEA PAPER CO.

No. 6222.

98 F.2d 355 (1938)

RAFFOLD PROCESS CORPORATION v. CASTANEA PAPER CO.

Circuit Court of Appeals, Third Circuit.

Rehearing Denied July 22, 1938.


Attorney(s) appearing for the Case

Brown, Critchlow & Flick, of Pittsburgh, Pa. (Thomas G. Haight, of Jersey City, N. J., Harrison F. Lyman, of Boston, Mass., and Edgar H. Kent, of Newtonville, Mass., of counsel), for appellant.

Smith, Buchanan, Scott & Gordon, of Pittsburgh, Pa. (William H. Davis and Louis Burgess, both of New York City, of counsel), for appellee.

Before THOMPSON and BIGGS, Circuit Judges, and DICKINSON, District Judge.


BIGGS, Circuit Judge.

In this case certain specified claims of four patents are at issue. The District Court held these claims invalid and failed to hold them infringed. All four patents relate to the manufacture of paper.

Briefly, the appellant contends as follows: That Harold R. Rafton, its assignor, invented processes or methods whereby (1) a carbonate filler can be used in the commercial manufacture of paper, the mix for which had been sized previously...

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