US4471923A (Expired)
1982-08-23
ASSIGNMENT
Owner Name VEREINIGTE FLUGTECHNISCHE WERKE GMBH; HUNEFELDSTRA
Free Format Text ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:HOPPNER, HEINZ-JOCHEN;SGARZ, HUGO;SADOWSKI, HERBERT;REEL/FRAME:004039/0388
Effective DATE 19820809
1988-03-07
PAYMENT
Year of Fee Payment 4
1991-10-03
PAYMENT
Year of Fee Payment 8
1996-04-23
MAINTENANCE FEE REMINDER MAILED
1996-09-15
FOR FAILURE TO PAY MAINTENANCE FEES
1996-11-26
-EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE
Effective DATE 19960918
2018-01-22
ON STATUS: PATENT DISCONTINUATION
Free Format Text PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
DE3133339A1 (Expired)
1984-05-30
NEW PERSON/NAME/ADDRESS OF THE APPLICANT
Owner Name MESSERSCHMITT-BOELKOW-BLOHM GMBH, 8012 OTTOBRUNN,
1986-11-13
FOR EXAMINATION PARAGRAPH 44
1989-06-22
+GRANT AFTER EXAMINATION
1989-12-21
OPPOSITION DURING TERM OF OPPOSITION
1994-01-20
CHANGE IN THE PERSON/NAME/ADDRESS OF THE PATENT OWNER
Owner Name DEUTSCHE AEROSPACE AG, 80804 MUENCHEN, DE
1994-09-08
OF THE ANNUAL FEE
DE3133339C2 (Expired)
1984-05-30
NEW PERSON/NAME/ADDRESS OF THE APPLICANT
Owner Name MESSERSCHMITT-BOELKOW-BLOHM GMBH, 8012 OTTOBRUNN,
DE3133339C2 (Expired)
1986-11-13
FOR EXAMINATION PARAGRAPH 44
DE3133339C2 (Expired)
1989-06-22
+GRANT AFTER EXAMINATION
DE3133339C2 (Expired)
1989-12-21
OPPOSITION DURING TERM OF OPPOSITION
DE3133339C2 (Expired)
1994-01-20
CHANGE IN THE PERSON/NAME/ADDRESS OF THE PATENT OWNER
Owner Name DEUTSCHE AEROSPACE AG, 80804 MUENCHEN, DE
DE3133339C2 (Expired)
1994-09-08
OF THE ANNUAL FEE