Publication No.	Publication date	Filing No.	Priority	Status	Source Data
US 4799091A	1989-01-17	US 84867486A 19860404	US 62680684A 19840702 US 84867486A 19860404	Expired	National register (PAIR)
US 4581621A	1986-04-08	US 62680684A 19840702	US 62680684A 19840702	Expired	National register (PAIR)
JP 61082471A	1986-04-26	JP 14411485A 19850702	US 62680684A 19840702	Unknown	Espacenet
JP 6054810B	1994-07-20	JP 14411485A 19850702	US 62680684A 19840702	Unknown	JAPIO
JP 1925871C	1995-04-25	JP 14411485A 19850702	US 62680684A 19840702	Unknown	JAPIO

US4799091 (Expired)
No INPADOC legal data


US4581621 (Expired)
1998-06-16  -EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE Effective DATE
             19980408


JP61082471 (Unknown)
No INPADOC legal data


JP6054810 (Unknown)
No INPADOC legal data


JP1925871 (Unknown)
No INPADOC legal data