Patent US3127739A successfully refreshed from Google Patents.
US3127739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor with consumable casing
Assignee: RTX Corp
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Filing: 1961-10-12
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Granted: 1964-04-07
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Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 Charles R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:29
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72; F02K9/08; F02K9/32; F02K9/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE COMBINATION IN A ROCKET MOTOR OF A PROPELLANT CHARGE ASSEMBLY COMPRISING AN ELONGATED CASING HAVING A FRONT WALL AND A CONSUMABLE SIDE WALL AND A PROPELLANT CHARGE DISPOSED IN AND SUBSTANTIALLY FILLING THE CASING, A NOZZLE AND COMBUSTION CHAMBER ASSEMBLY DISPOSED AT AND SURROUNDING A REAR END PORITON OF THE CASING SIDE WALL AND MOVABLE FORWARDLY ALONG THE LENGTH THEREOF, AND MEANS FOR ADVANCING SAID COMBUSTION CHAMBER AND NOZZLE ASSEMBLY ALONG THE CASING SUCH THAT THE SIDE WALL OF THE LATTER AND THE PROPELLANT CHARGE ARE CONSUMED WITHIN THE LAST MENTIONED ASSEMBLY.
Claim 2
Dependent Claim
93 words
THE COMBINATION IN A ROCKET MOTOR OF A PROPELLANT CHARGE ASSEMBLY COMPRISING AN ELONGATED CASING HAVING A FRONT WALL AND A CONSUMABLE SIDE WALL AND A PROPELLANT CHARGE DISPOSED IN AND SUBSTANTIALLY FILLING THE CASING, A NOZZLE AND COMBUSTION CHAMBER ASSEMBLY DISPOSED AT AND SURROUNDING A REAR END PORITON OF THE CASING SIDE WALL AND MOVABLE FORWARDLY ALONG THE LENGTH THEREOF, AND MEANS FOR ADVANCING SAID COMBUSTION CHAMBER AND NOZZLE ASSEMBLY ALONG THE CASING SUCH THAT THE SIDE WALL OF THE LATTER AND THE PROPELLANT CHARGE ARE CONSUMED WITHIN THE LAST MENTIONED ASSEMBLY.
References Cited (Backward Citations)
US3043221A
Cited
US3017746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |