INPADOC Patent Family US4353081 (Original INPADOC file)
Publication No. Publication date Filing No. Priority Status Source Data
US 4353081A 1982-10-05 US 11662280A 19800129 US 11662280A 19800129 Expired National register (PAIR)
JP 56120170A 1981-09-21 JP 1091881A 19810129 US 11662280A 19800129 Unknown Espacenet
JP 1553296C 1990-04-04 JP 1091881A 19810129 US 11662280A 19800129 Unknown Espacenet
JP 1037858B 1989-08-09 JP 1091881A 19810129 US 11662280A 19800129 Unknown Espacenet

INPADOC Legal Status 
US4353081 (Expired)
1983-02-08   CERTIFICATE OF CORRECTION

JP56120170 (Unknown)
No INPADOC legal data



JP1553296 (Unknown)
No INPADOC legal data



JP1037858 (Unknown)
No INPADOC legal data