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Rescinded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
Record Details
- Patent number
- US 7938621
- Application
- 09184402
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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Back to patent indexSource: USPTO 35 USC §181 secrecy order records