Patent US3219263A successfully refreshed from Google Patents.
US3219263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor for a gas turbine engine
Assignee: Rolls Royce PLC
•
Filing: 1963-01-30
•
Granted: 1965-11-23
•
Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Davies David Omri
- 👤 Blackhurst Robert Vaughan
- 👤 Keen John Michael Storer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:44
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/28; F04; F04D; F04D29/00; F04D29/02; F04D29/023; F05; F05D; F05D2300/00; F05D2300/10; F05D2300/12; F05D2300/125; F05D2300/17; F05D2300/171; F05D2300/173; F05D2300/40; F05D2300/43; F05D2300/60; F05D2300/603; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A MULTI-STAGE, AXIAL FLOW, COMPRESSOR FOR A GAS TURBINE ENGINE COMPRISING: A CASING HAVING AN AIR INTAKE PORTION, A NOSE CONE, STRUTS SUPPORTING SAID NOSE CONE FROM SAID CASING IN THE AIR INTAKE PORTION THEREOF, INLET GUIDE VANES, STATOR BLADES, A ROTOR SUPPORTING STAGES OF ROTOR BLADES, THE FIRST STAGE OF ROTOR BLADES BEING FORMED OF AN ALLOY WHICH WILL WITHSTAND THE BENDING STRESSES
Claim 2
Dependent Claim
64 words
A MULTI-STAGE, AXIAL FLOW, COMPRESSOR FOR A GAS TURBINE ENGINE COMPRISING: A CASING HAVING AN AIR INTAKE PORTION, A NOSE CONE, STRUTS SUPPORTING SAID NOSE CONE FROM SAID CASING IN THE AIR INTAKE PORTION THEREOF, INLET GUIDE VANES, STATOR BLADES, A ROTOR SUPPORTING STAGES OF ROTOR BLADES, THE FIRST STAGE OF ROTOR BLADES BEING FORMED OF AN ALLOY WHICH WILL WITHSTAND THE BENDING STRESSES
References Cited (Backward Citations)
GB502409A
Cited
US2430140A
Cited
US2667327A
Cited
GB755253A
Cited
US2868439A
Cited
US2950083A
Cited
US2741454A
Cited
US2995294A
Cited
GB853331A
Cited
US3091382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |