Research/Patents/US 7938621
US 7938621

BLADE TIP CLEARANCE SYSTEM

Assignee

ROLLS-ROYCE PLC

Filed

Oct 28, 1998

Granted

May 10, 2011

Location

BRISTOL GB GB

35 USC §181 Secrecy Order

Imposed

Jan 25, 1999

Rescinded

Nov 27, 2006

Duration

7 years, 10 months

Inventor

  • 1JULIAN G. BALSDON
Back to patent indexSource: USPTO 35 USC §181 secrecy order records