US4786008A (Expired)
1986-04-24
ASSIGNMENT
Owner Name GRUMMAN AEROSPACE CORPORATION, SOUTH OYSTER BAY RO
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:CORBETT, MARSHALL J.;REEL/FRAME:004548/0556
Effective DATE 19860402
1986-04-24
ASSIGNMENT
Owner Name GRUMMAN AEROSPACE CORPORATION, NEW YORK
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CORBETT, MARSHALL J.;REEL/FRAME:004548/0556
Effective DATE 19860402
1989-05-02
CERTIFICATE OF CORRECTION
1992-06-25
MAINTENANCE FEE REMINDER MAILED
1992-11-22
FOR FAILURE TO PAY MAINTENANCE FEES
1993-02-02
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19921122
2018-01-30
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362