(19)

(11)

EP 0 259 308 A1

(12)

(43) Date of publication: 16.03.1988 Bulletin 1988/11 (21) Application number: 86902105.0 (22) Date of filing: 27.02.1986

(51) International Patent Classification (IPC):  B63B 35/ 73( . ) (86) International application number: PCT/US1986/000438 (87) International publication number: WO 1987/005273 (11.09.1987 Gazette 1987/20)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (71) Applicants: CALAMIA, Thomas J. El Monte, CA 91731 (US) KITNER, William M. Inglewood CA 90303 (US)	(72) Inventors: CALAMIA, Thomas J. El Monte, CA 91731 (US) KITNER, William M. Inglewood CA 90303 (US)