Publication No.	Publication date	Filing No.	Priority	Status	Source Data
US 4731641A	1988-03-15	US 89247986A 19860805	JP 15996781A 19811007	Expired	National register (PAIR)
JP 63028506B	1988-06-08	JP 15996781A 19811007	JP 15996781A 19811007	Unknown	Espacenet
JP 58061679A	1983-04-12	JP 15996781A 19811007	JP 15996781A 19811007	Unknown	Espacenet
JP 1482099C	1989-02-27	JP 15996781A 19811007	JP 15996781A 19811007	Unknown	Espacenet
GB 2107927A	1983-05-05	GB 8228721A 19821007	JP 15996781A 19811007	Expired	National register
GB 2107927B	1986-03-05	GB 8228721A 19821007	JP 15996781A 19811007	Expired	National register

US4731641 (Expired)
No INPADOC legal data


JP63028506 (Unknown)
No INPADOC legal data


JP58061679 (Unknown)
No INPADOC legal data


JP1482099 (Unknown)
No INPADOC legal data


GB2107927 (Expired)
1986-03-05  +PATENT GRANTED
2002-05-29  -PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE Effective
             DATE 20011007