Congoleum Industries, Inc. v. Gaf Corporation478 F.2d 1398 3rd Cir.1973Check Treatment478 F.2d 1398 Congoleum Industries, Inc.v.Gaf Corporation 72-1709 UNITED STATES COURT OF APPEALS Third Circuit 5/11/73 E.D.Pa., 49 F.R.D. 82 AFFIRMED