(19)

(11)

EP 0 536 351 A1

(12)

(43) Date of publication: 14.04.1993 Bulletin 1993/15 (21) Application number: 92907372.0 (22) Date of filing: 18.02.1992

(51) International Patent Classification (IPC):  A01K 1/ 01( . ) (86) International application number: PCT/US1992/001280 (87) International publication number: WO 1992/014354 (03.09.1992 Gazette 1992/23)

(84) Designated Contracting States: FR GB (30) Priority: 19.02.1991 US 19910657524 18.11.1991 US 19910793209 (71) Applicant: Hasiuk, Aaron S. Levittown, PA 19056 (US)	(72) Inventor: Hasiuk, Aaron S. Levittown, PA 19056 (US) (74) Representative: MacGregor, Gordon, et al  ERIC POTTER CLARKSON St. Mary's Court St. Mary's Gate Nottingham, NG1 1LE Nottingham, NG1 1LE (GB)