(19)

(11)

EP 0 022 830 A1

(12)

(43) Date of publication: 28.01.1981 Bulletin 1981/04 (21) Application number: 80900230.0 (22) Date of filing: 14.01.1980

(51) International Patent Classification (IPC):  A47G 23/ 06( . ) A47J 36/ 04( . ) A47J 36/ 02( . ) (86) International application number: PCT/US1980/000029 (87) International publication number: WO 1980/001483 (24.07.1980 Gazette 1980/17)

(84) Designated Contracting States: AT CH DE FR GB LU NL SE (30) Priority: 12.01.1979 US 19790002875 (71) Applicants: HAVERLAND, Walter Kingdon, Jr. Livermore, CA 94550 (US) HAVERLAND, Patricia Lynn Livermore, CA 94550 (US)	(72) Inventors: HAVERLAND, Walter Kingdon, Jr. Livermore, CA 94550 (US) HAVERLAND, Patricia Lynn Livermore, CA 94550 (US) (74) Representative: Kooy, Leendert Willem  OCTROOIBUREAU VRIESENDORP & GAADE P.O. Box 266 NL-2501 AW The Hague NL-2501 AW The Hague (NL)