US4937522A (Expired)
1993-11-22
PAYMENT
Year of Fee Payment 4
1998-02-14
MAINTENANCE FEE REMINDER MAILED
1998-06-28
FOR FAILURE TO PAY MAINTENANCE FEES
1998-09-08
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19980701
2018-01-29
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
EP0356826A2 (Expired)
1990-03-07
+DESIGNATED CONTRACTING STATES
Kind Code of Ref Document A2
Designated State(s) DE FR GB IT
1992-06-03
+DESIGNATED CONTRACTING STATES
Kind Code of Ref Document A3
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1993-07-28
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Effective DATE 19921204
EP0356826A3 (Expired)
1990-03-07
+DESIGNATED CONTRACTING STATES
Kind Code of Ref Document A2
Designated State(s) DE FR GB IT
EP0356826A3 (Expired)
1992-06-03
+DESIGNATED CONTRACTING STATES
Kind Code of Ref Document A3
Designated State(s) DE FR GB IT
EP0356826A3 (Expired)
1993-07-28
-APPLICATION DEEMED TO BE WITHDRAWN
Effective DATE 19921204