INPADOC Patent Family US4503447
Publication No. Publication date Filing No. Priority Status
US4503447A 1985-03-05 US39874082A US39874082A 19820716 Expired
CA1186807A1 1985-05-07 CA427687A US39874082A 19820716 Expired

INPADOC Legal Status
US4503447A (Expired)
1982-12-06
ASSIGNMENT
Owner Name UNITED STATES OF AMERICA AS REPRESENTED BY THE SEC
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:IAFRATE, GERALD J.;AUCOIN, THOMAS A.;FERRY, DAVID K.;REEL/FRAME:004066/0196
Effective DATE 19820713
 
1988-06-15
+FEE PAYMENT
Year of Fee Payment 4
 
1992-10-06
MAINTENANCE FEE REMINDER MAILED
 
1992-10-14
MAINTENANCE FEE REMINDER MAILED
 
1992-12-28
+FEE PAYMENT
Year of Fee Payment 8
 
1992-12-28
+SURCHARGE FOR LATE PAYMENT
 
1996-10-08
MAINTENANCE FEE REMINDER MAILED
 
1996-12-13
+FEE PAYMENT
Year of Fee Payment 12
 
1996-12-13
+SURCHARGE FOR LATE PAYMENT
 
CA1186807A1 (Expired)
2002-05-08
+EXPIRY (CORRECTION)
 
2003-05-09
-EXPIRY
 



Updated on June 17, 2015