Patent US3142152A successfully refreshed from Google Patents.
US3142152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hybrid rocket motor
Assignee: Lockheed Martin Corp
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Filing: 1962-06-22
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Granted: 1964-07-28
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Sessums
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:03
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A HYBRID ROCKET MOTOR HAVING A FIRST COMPARTMENT LOADED WITH A SOLID REACTANT AND A SECOND COMPARTMENT FILLED WITH A LIQUID REACTANT, SAID SOLID REACTANT HAVING A BURNING SURFACE WHICH RECEDES AS COMBUSTION PROGRESSES, THE IMPROVEMENT COMPRISING A TUBULAR CONDUIT EMBEDDED IN SAID SOLID REACTANT, ONE END OF SAID CONDUIT BEING CONNECTED INTO SAID SECOND COMPARTMENT AND THE OTHER END THEREOF BEING DISPOSED FLUSH WITH SAID BURNING SURFACE, SAID CONDUIT BEING FORMED SO THAT IT
Claim 2
Dependent Claim
76 words
IN A HYBRID ROCKET MOTOR HAVING A FIRST COMPARTMENT LOADED WITH A SOLID REACTANT AND A SECOND COMPARTMENT FILLED WITH A LIQUID REACTANT, SAID SOLID REACTANT HAVING A BURNING SURFACE WHICH RECEDES AS COMBUSTION PROGRESSES, THE IMPROVEMENT COMPRISING A TUBULAR CONDUIT EMBEDDED IN SAID SOLID REACTANT, ONE END OF SAID CONDUIT BEING CONNECTED INTO SAID SECOND COMPARTMENT AND THE OTHER END THEREOF BEING DISPOSED FLUSH WITH SAID BURNING SURFACE, SAID CONDUIT BEING FORMED SO THAT IT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |