US5245927A (Expired)
1992-04-28
ASSIGNMENT
Owner Name NORTHROP CORPORATION, CALIFORNIA
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:RANES, RICHARD L.;REEL/FRAME:006111/0579
Effective DATE 19920413
1997-04-29
MAINTENANCE FEE REMINDER MAILED
1997-09-21
FOR FAILURE TO PAY MAINTENANCE FEES
1997-12-02
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19970924
2018-01-27
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362