INPADOC Patent Family US5140820
Publication No.
Publication date
Filing No.
Priority
Status
US5140820A
1992-08-25
US61409490A
US61409490A 19901114
Expired
INPADOC Legal Status
US5140820A (Expired)
1996-04-02
MAINTENANCE FEE REMINDER MAILED
1996-08-25
FOR FAILURE TO PAY MAINTENANCE FEES
1996-11-05
-
EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19960828
2018-01-27
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
