Patent US5343247A successfully refreshed from Google Patents.
Patent US4608877A successfully refreshed from Google Patents.
US3133413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control and cooling of rocket motors
Assignee: RTX Corp
•
Filing: 1960-09-12
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Granted: 1964-05-19
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:15
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/972; F02K9/80; F02K9/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A SOLID PROPELLANT ROCKET ENGINE HAVING A COMBUSTION ZONE, THE IMPROVEMENT COMPRISING A SYSTEM OF NOZZLE COOLING AND THRUST VECTOR CONTROL COMPRISING A TOROIDAL TANK FORMING THE THROAT OF THE ENGINE, SAID TOROIDAL TANK HAVING A PASSAGE LEADING FROM THE AFT END OF SAID TANK AROUND THE OUTSIDE OF THE TANK, SAID PASSAGE BEING DIVERGENT TOWARD THE AFT END OF SAID ROCKET ENGINE TO FORM THE NOZZLE FOR THE SAID ROCKET ENGINE, SAID PASSAGE TERMINATING IN A MANIFOLD NEAR THE AFT END OF THE NOZZLE; AND VALVE MEANS WHEREBY MATERIAL PASSING FROM SAID TANK THROUGH SAID PASSAGE TO SAID MANIFOLD CAN BE
Claim 2
Dependent Claim
103 words
IN A SOLID PROPELLANT ROCKET ENGINE HAVING A COMBUSTION ZONE, THE IMPROVEMENT COMPRISING A SYSTEM OF NOZZLE COOLING AND THRUST VECTOR CONTROL COMPRISING A TOROIDAL TANK FORMING THE THROAT OF THE ENGINE, SAID TOROIDAL TANK HAVING A PASSAGE LEADING FROM THE AFT END OF SAID TANK AROUND THE OUTSIDE OF THE TANK, SAID PASSAGE BEING DIVERGENT TOWARD THE AFT END OF SAID ROCKET ENGINE TO FORM THE NOZZLE FOR THE SAID ROCKET ENGINE, SAID PASSAGE TERMINATING IN A MANIFOLD NEAR THE AFT END OF THE NOZZLE; AND VALVE MEANS WHEREBY MATERIAL PASSING FROM SAID TANK THROUGH SAID PASSAGE TO SAID MANIFOLD CAN BE
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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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |