INPADOC Patent Family US4620206 (Original INPADOC file)
Publication No. Publication date Filing No. Priority Status Source Data
US 4620206A 1986-10-28 US 57857484A 19840209 JP 13617183A 19830726 Expired National register (PAIR)
JP 60028268A 1985-02-13 JP 13617183A 19830726 JP 13617183A 19830726 Unknown Espacenet
JP 2026792B 1990-06-12 JP 13617183A 19830726 JP 13617183A 19830726 Unknown Espacenet
JP 1599210C 1991-01-31 JP 13617183A 19830726 JP 13617183A 19830726 Unknown Espacenet

INPADOC Legal Status 
US4620206 (Expired)
1999-01-05  -EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE Effective DATE
             19981028

JP60028268 (Unknown)
No INPADOC legal data



JP2026792 (Unknown)
No INPADOC legal data



JP1599210 (Unknown)
No INPADOC legal data