INPADOC Patent Family US3897151
Publication No. Publication date Filing No. Priority Status
US3897151A 1975-07-29 US32926173A US32926173A 19730129 Expired
JPS49112651A 1974-10-26 JP1265774A US32926173A 19730129
GB1460464A 1977-01-06 GB308974A US32926173A 19730129 Expired

INPADOC Legal Status
US3897151 (Expired)
No INPADOC legal data
 
JPS49112651 (Unknown)
No INPADOC legal data
 
GB1460464A (Expired)
1977-05-18
+PATENT SEALED
 
1984-10-03
CEASED THROUGH NON-PAYMENT OF RENEWAL FEE
 



Updated on July 22, 2019