US3367565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor stator vane control
Assignee: RTX Corp
•
Filing: 1965-01-21
•
Granted: 1968-02-06
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Louis A Urban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:31
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
FOR NOZZLES HAVNG WALLS MOVABLE TO DIFFERENT POSITIONS FOR DEFINING ON OPENING ADAPTED TO CONTROL THE VELOCITY AND DIRECTION OF AIR PASSING THERETHROUGH, ACTUATOR MEANS CONNECTED TO SAID NOZZLES TO VARY THE POSITION THEREOF, AND CONTROL MEANS RESPONSIVE TO THE RATIO OF THE DIFFERENCE BETWEEN TOTAL AND STATIC PRESSURE TO TOTAL PRES-
Claim 2
Dependent Claim
52 words
FOR NOZZLES HAVNG WALLS MOVABLE TO DIFFERENT POSITIONS FOR DEFINING ON OPENING ADAPTED TO CONTROL THE VELOCITY AND DIRECTION OF AIR PASSING THERETHROUGH, ACTUATOR MEANS CONNECTED TO SAID NOZZLES TO VARY THE POSITION THEREOF, AND CONTROL MEANS RESPONSIVE TO THE RATIO OF THE DIFFERENCE BETWEEN TOTAL AND STATIC PRESSURE TO TOTAL PRES-
References Cited (Backward Citations)
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Cited
US2295728A
Cited
US2339150A
Cited
US2385664A
Cited
US2886968A
Cited
US2705590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |