Frank M. Graven v. Arthur Pasa, Usibelli Coal Mines, Inc., Intervenor v. General Accident Fire and Life Assurance Corporation, Ltd., a Corporation, and Potomac Insurance Company, a Corporation D/B/A General Accident Group

355 F.2d 413 Frank M. GRAVEN, Plaintiff, v. Arthur PASA, Defendant, Appellants, USIBELLI COAL MINES, INC., Intervenor, v. GENERAL ACCIDENT FIRE AND LIFE ASSURANCE CORPORATION, Ltd., a corporation, and Potomac Insurance Company, a corporation d/b/a General Accident Group, Appellees. No. 19975. United States Court of Appeals Ninth Circuit. Jan. 18, 1966. Cleary S. Cone, Ellensbury, Wash., Gerald Bangs, Schroeter, Farris, Bangs & Horowitz, Donald J. Horowitz, Seattle, Wash., for appellants. John Gavin, Gavin, Robinson, Kendrick, Redman & Mays, Yakima, Wash., for appellees. Before HAMLEY, JERTBERG and MERRILL, Circuit Judges. JERTBERG, Circuit Judge: 1 Before us is an interlocutory appeal involving questions as to the extent of coverage under a contract of liability insurance. 2 The jurisdiction of the district court is based on diversity of citizenship of the parties, 28 U.S.C. 1332(a), and is not questioned on this appeal. 3 In order to more clearly understand the issues of law presented, it is necessary to review the record of proceedings leading up to this appeal. 4 The principal action commenced with the filing of a complaint by Frank M. Graven, one of the appellants,…