INPADOC Patent Family US4935742
Publication No. Publication date Filing No. Priority Status
US5122802A 1992-06-16 US53980690A US34038089A 19890419
US53980690A 19900618
Expired
US4935742A 1990-06-19 US34038089A US34038089A 19890419 Expired

INPADOC Legal Status
US5122802A (Expired)
1994-11-22
CERTIFICATE OF CORRECTION
 
1996-01-23
MAINTENANCE FEE REMINDER MAILED
 
1996-06-17
PAYMENT
Year of Fee Payment 4
 
1996-06-17
FOR LATE PAYMENT
 
2000-01-11
MAINTENANCE FEE REMINDER MAILED
 
2000-06-16
PAYMENT
Year of Fee Payment 8
 
2000-06-16
FOR LATE PAYMENT
 
2003-12-31
MAINTENANCE FEE REMINDER MAILED
 
2004-06-16
FOR FAILURE TO PAY MAINTENANCE FEES
 
2004-08-10
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 20040616
 
2018-01-27
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
 
US4935742A (Expired)
1993-12-20
PAYMENT
Year of Fee Payment 4
 
1998-02-14
MAINTENANCE FEE REMINDER MAILED
 
1998-06-21
FOR FAILURE TO PAY MAINTENANCE FEES
 
1998-09-01
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19980624
 
2018-01-29
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
 



Updated on July 22, 2019