Patent US3135088A successfully refreshed from Google Patents.
US3135088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequencing system
Assignee: RTX Corp
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Filing: 1961-03-02
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Granted: 1964-06-02
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Expires: 1981-03-02
Abstract
No abstract record available.
Inventors
- 👤 Trent H Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:37
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
163 words
A ROCKET ENGINE, COMPRISING: A COMBUSTION CHAMBER; FUEL SUPPLY MEANS INCLUDING A PUMP, A RELIEF VALVE AND A SUPPLY VALVE, SAID RELIEF VALVE HAVING A PRESSURE CHAMBER TO LOAD THE VALVE; OXIDIZER SUPPLY MEANS INCLUDING A PUMP, A RELIEF VALVE AND A SUPPLY VALVE; IGNITER FLUID CONTROL DEVICE, RESPONSIVE TO COMBUSTION CHAMBER PRESSURE, INCLUDING A CONNECTION WITH THE COMBUSTION CHAMBER AND A TRAP VALVE THEREIN; AND A SEQUENCING SYSTEM, INCLUDING A FIRST SERVOMOTOR CONNECTED WITH SAID TRAP VALVE, A SECOND SERVOMOTOR CONNECTED WITH SAID IGNITER FLUID SUPPLY VALVE, A THIRD SERVOMOTOR CONNECTED WITH SAID FUEL SUPPLY VALVE, A FOURTH SERVOMOTOR CONNECTED WITH SAID OXIDIZER SUPPLY VALVE, A PRESSURE RESPONSIVE MEANS CONNECTED WITH SAID SWITCH, A CONNECTION BETWEEN SAID PRESSURE RESPONSIVE MEANS AND SAID COMBUSTION CHAMBER, A FIRST PILOT VALVE CONNECTED WITH SAID FUEL RELIEF VALVE PRESSURE CHAMBER AND WITH SAID FIRST SERVOMOTOR, AND OPERABLE, IN ONE POSITION, TO OPEN SAID TRAP VALVE AND TO ADMIT PRESSURE FLUID TO SAID PRESSURE CHAMBER TO LOAD
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |