US6618017B1 (Expired)
2002-05-20
ASSIGNMENT
Owner Name NAVY, UNITED STATES OF AMERICA AS REPRESENTED BY T
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RYKEN, MARVIN L.;DAVIS, ALBERT F.;REEL/FRAME:012909/0510
Effective DATE 20020506
2007-01-09
PAYMENT
Year of Fee Payment 4
2011-04-18
MAINTENANCE FEE REMINDER MAILED
2011-09-09
FOR FAILURE TO PAY MAINTENANCE FEES
2011-10-10
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
2011-11-01
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 20110909
