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
Unknown
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