Patent US3313488A successfully refreshed from Google Patents.
US3313488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket thrust chamber
Assignee: ATK Launch Systems LLC
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Filing: 1964-10-02
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Granted: 1967-04-11
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Expires: 1984-10-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Lovingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:26
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A ROCKET MOTOR COMPRISING, IN COMBINATION, AN OUTER CASING DEFINING A THRUST CHAMBER AND EXHAUST NOZZLE INCLUDING A THROAT, AN INNER INSULATING CASING MOUNTED AGAINST SAID OUTER CASING, AN ABLATIVE LINER COVERING THE INNER SURFACE OF SAID INSULATING CASING AT LEAST IN THE CONVERGENT-DIVERGENT SECTION OF THE NOZZLE, COOLING MEANS COMPRISING A SINGLE ENCIRCLING COOLANT COIL MOUNTED IN SAID ABLATIVE LINER IN SAID SECTION OF SAID NOZZLE AND DEFINING SAID THROAT, THE INNER FACE OF SAID COIL BEING EXPOSED TO THE COMBUSTION GASES OF THE MOTOR, AND MEANS FOR SUPPLYING SUFFICIENT COOLANT TO SAID COIL FOR PREVENTING DEGRADATION OF SAID ABLATIVE LINER.
Claim 2
Dependent Claim
102 words
A ROCKET MOTOR COMPRISING, IN COMBINATION, AN OUTER CASING DEFINING A THRUST CHAMBER AND EXHAUST NOZZLE INCLUDING A THROAT, AN INNER INSULATING CASING MOUNTED AGAINST SAID OUTER CASING, AN ABLATIVE LINER COVERING THE INNER SURFACE OF SAID INSULATING CASING AT LEAST IN THE CONVERGENT-DIVERGENT SECTION OF THE NOZZLE, COOLING MEANS COMPRISING A SINGLE ENCIRCLING COOLANT COIL MOUNTED IN SAID ABLATIVE LINER IN SAID SECTION OF SAID NOZZLE AND DEFINING SAID THROAT, THE INNER FACE OF SAID COIL BEING EXPOSED TO THE COMBUSTION GASES OF THE MOTOR, AND MEANS FOR SUPPLYING SUFFICIENT COOLANT TO SAID COIL FOR PREVENTING DEGRADATION OF SAID ABLATIVE LINER.
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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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |