INPADOC Patent Family US3862436 (Original INPADOC file)
Publication No. Publication date Filing No. Priority Status Source Data
US 3862436A 1975-01-21 US 42606873A 19731219 US 42606873A 19731219 Expired National register (PAIR)

INPADOC Legal Status 
US3862436 (Expired)
No INPADOC legal data