US6621456B2 (Expired)
2002-06-24
ASSIGNMENT
Owner Name UNITED STATES OF AMERICA AS REPRESENTED BY THE SEC
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RYKEN, MARVIN L. JR.;DAVIS, ALBERT F.;REEL/FRAME:013040/0354
Effective DATE 20020614
2007-01-09
PAYMENT
Year of Fee Payment 4
2011-04-25
MAINTENANCE FEE REMINDER MAILED
2011-09-16
FOR FAILURE TO PAY MAINTENANCE FEES
2011-10-17
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
2011-11-08
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 20110916
US6549168B1 (Expired)
2002-03-29
ASSIGNMENT
Owner Name NAVY, UNITED STATES OF AMERICA, AS REPRESENTED BY
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RYKEN, MARVIN L. JR.;DAVIS, ALBERT F.;REEL/FRAME:012743/0575
Effective DATE 20020311
2006-11-01
MAINTENANCE FEE REMINDER MAILED
2007-04-15
FOR FAILURE TO PAY MAINTENANCE FEES
2007-05-16
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
2007-06-12
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 20070415
US6466172B1 (Expired)
2001-10-19
ASSIGNMENT
Owner Name NAVY, THE UNITED STATES OF AMERICA AS REPRESENTED
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RYKEN, MARVIN;DAVIS, ALBERT;KUJIRAOKA, SCOTT;REEL/FRAME:012464/0575
Effective DATE 20011019
2006-05-03
MAINTENANCE FEE REMINDER MAILED
2006-10-16
FOR FAILURE TO PAY MAINTENANCE FEES
2006-11-15
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
2006-12-12
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 20061015
US2003076261A1 (Abandoned)
2002-06-24
ASSIGNMENT
Owner Name UNITED STATES OF AMERICA AS REPRESENTED BY THE SEC
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RYKEN, MARVIN L. JR.;DAVIS, ALBERT F.;REEL/FRAME:013040/0354
Effective DATE 20020614
2007-01-09
PAYMENT
Year of Fee Payment 4
2011-04-25
MAINTENANCE FEE REMINDER MAILED
2011-09-16
FOR FAILURE TO PAY MAINTENANCE FEES
2011-10-17
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
2011-11-08
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 20110916
US2003076260A1 (Abandoned)
2002-03-29
ASSIGNMENT
Owner Name NAVY, UNITED STATES OF AMERICA, AS REPRESENTED BY
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RYKEN, MARVIN L. JR.;DAVIS, ALBERT F.;REEL/FRAME:012743/0575
Effective DATE 20020311
2006-11-01
MAINTENANCE FEE REMINDER MAILED
2007-04-15
FOR FAILURE TO PAY MAINTENANCE FEES
2007-05-16
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
2007-06-12
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 20070415
