US4736583A (Expired)
1987-08-21
ASSIGNMENT
Owner Name HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRES
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:HUDEMA, HENRY P.;BURTON, STANLEY K.;MARKOV, ALEXANDER B.;AND OTHERS;REEL/FRAME:004746/0780
Effective DATE 19870601
1987-08-21
ASSIGNMENT
Owner Name HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRES
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HUDEMA, HENRY P.;BURTON, STANLEY K.;MARKOV, ALEXANDER B.;AND OTHERS;REEL/FRAME:004746/0780
Effective DATE 19870601
1991-09-30
PAYMENT
Year of Fee Payment 4
1995-11-21
MAINTENANCE FEE REMINDER MAILED
1996-04-14
FOR FAILURE TO PAY MAINTENANCE FEES
1996-06-25
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19960417
2018-01-30
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
