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Extract from the Register of European Patents

EP About this file: EP0007317

EP0007317 - Helicopter with stabilator detuned in antisymmetric vibration modes from main rotor wake excitation frequency [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 22.08.2024
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
United Technologies Corporation
10 Farm Springs Road
Farmington, CT 06032 / US
[N/P]
Former [1980/02]For all designated states
UNITED TECHNOLOGIES CORPORATION
United Technologies Building 1, Financial Plaza
Hartford, CT 06101 / US
Inventor(s)01 / Kuczynski, William Anthony
26, Indian Woods Road
Brandford, Connecticut 06405 / US
02 / Marshall, John II
38, Currier Place
Cheshire, Connecticut / US
[1980/02]
Representative(s)Weydert, Robert, et al
Dennemeyer & Associates Sàrl P.O. Box 1502
1015 Luxembourg / LU
[N/P]
Former [1980/02]Weydert, Robert, et al
Dennemeyer & Associates Sàrl P.O. Box 1502
L-1015 Luxembourg / LU
Application number, filing date79930012.411.07.1979
[1980/02]
Priority number, dateUS1978092383412.07.1978         Original published format: US 923834
[1980/02]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0007317
Date:23.01.1980
Language:EN
[1980/02]
Type: A3 Search report 
No.:EP0007317
Date:06.02.1980
Language:EN
[1980/03]
Type: B1 Patent specification 
No.:EP0007317
Date:20.01.1982
Language:EN
[1982/03]
Search report(s)(Supplementary) European search report - dispatched on:EP07.12.1979
ClassificationIPC:B64C27/04, B64C1/26, F16F15/00
[1982/03]
CPC:
B64C27/06 (EP,US); B64C1/26 (EP,US); B64C13/16 (EP,US);
B64C27/82 (EP,US); B64C5/10 (EP,US); B64C9/02 (EP,US);
B64C9/08 (EP,US); F16F15/02 (EP,US); B64C2027/8272 (EP,US);
B64C2027/8281 (EP,US) (-)
Former IPC [1980/02]B64C27/00, F16F15/00
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT [1980/02]
TitleGerman:Ein durch die Frequenz des Hauptrotorluftstroms in unsymmetrische Schwingungen entstimmter Stabilator eines Helikopters[1980/02]
English:Helicopter with stabilator detuned in antisymmetric vibration modes from main rotor wake excitation frequency[1980/02]
French:Plan mobile pour hélicoptère désaccordé en mode de vibration antisymétrique de la fréquence d'excitation provenant du sillage du rotor principal[1980/02]
Examination procedure28.03.1980Examination requested  [1980/13]
29.08.1980Despatch of a communication from the examining division (Time limit: M04)
08.12.1980Reply to a communication from the examining division
30.03.1981Despatch of communication of intention to grant (Approval: )
20.07.1981Communication of intention to grant the patent
01.09.1981Fee for grant paid
01.09.1981Fee for publishing/printing paid
Opposition(s)20.10.1982No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
30.06.1981Renewal fee patent year 03
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Documents cited:Search[A]US2217108  (HENRICH FOCKE);
 US2424882  [ ] (GLUHAREFF MICHAEL E);
 US2551067  [ ] (STANLEY PAUL H);
 US3027948  [ ] (LEONARD GOLAND, et al);
 US3075727  [ ] (ELLIS CHARLES W, et al);
 US3081052  [ ] (MICHEL PHILIP L);
 [A]FR2067224  (SUD AVIATION);
 [A]US3721404  (ALBERT A);
 [A]FR2152534  (UNITED AIRCRAFT CORP)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.