GB2256623B - Helicopters - Google Patents

Helicopters

Info

Publication number
GB2256623B
GB2256623B GB9211576A GB9211576A GB2256623B GB 2256623 B GB2256623 B GB 2256623B GB 9211576 A GB9211576 A GB 9211576A GB 9211576 A GB9211576 A GB 9211576A GB 2256623 B GB2256623 B GB 2256623B
Authority
GB
United Kingdom
Prior art keywords
helicopters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9211576A
Other versions
GB2256623A (en
GB9211576D0 (en
Inventor
Peter John Flux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AgustaWestland Ltd
Original Assignee
Westland Helicopters Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westland Helicopters Ltd filed Critical Westland Helicopters Ltd
Publication of GB9211576D0 publication Critical patent/GB9211576D0/en
Publication of GB2256623A publication Critical patent/GB2256623A/en
Application granted granted Critical
Publication of GB2256623B publication Critical patent/GB2256623B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
GB9211576A 1991-06-12 1992-06-02 Helicopters Expired - Fee Related GB2256623B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919112600A GB9112600D0 (en) 1991-06-12 1991-06-12 Helicopters

Publications (3)

Publication Number Publication Date
GB9211576D0 GB9211576D0 (en) 1992-07-22
GB2256623A GB2256623A (en) 1992-12-16
GB2256623B true GB2256623B (en) 1994-12-07

Family

ID=10696505

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919112600A Pending GB9112600D0 (en) 1991-06-12 1991-06-12 Helicopters
GB9211576A Expired - Fee Related GB2256623B (en) 1991-06-12 1992-06-02 Helicopters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919112600A Pending GB9112600D0 (en) 1991-06-12 1991-06-12 Helicopters

Country Status (1)

Country Link
GB (2) GB9112600D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689089B1 (en) * 1992-03-24 1997-07-25 Eurocopter France SIGHTING DEVICE FOR A TURNED AIRCRAFT.
US6513753B1 (en) * 2001-08-14 2003-02-04 Sikorsky Aircraft Corporation Transmission support structure for a rotary wing aircraft

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275992A (en) * 1979-04-09 1981-06-30 Textron, Inc. Mode controlled attachment of rotor mounted components
EP0064346A1 (en) * 1981-04-27 1982-11-10 WESTLAND plc Helicopters
EP0250135A2 (en) * 1986-06-20 1987-12-23 Westland Group Plc Helicopter rotor control systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275992A (en) * 1979-04-09 1981-06-30 Textron, Inc. Mode controlled attachment of rotor mounted components
EP0064346A1 (en) * 1981-04-27 1982-11-10 WESTLAND plc Helicopters
EP0250135A2 (en) * 1986-06-20 1987-12-23 Westland Group Plc Helicopter rotor control systems

Also Published As

Publication number Publication date
GB2256623A (en) 1992-12-16
GB9211576D0 (en) 1992-07-22
GB9112600D0 (en) 1991-10-16

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990602