US2990682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel charge
Assignee: General Electric Co
•
Filing: 1951-11-07
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Granted: 1961-07-04
•
Expires: 1971-11-07
Abstract
No abstract record available.
Inventors
- 👤 George J Mullaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:02
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/10; F02K9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A ROCKET DRIVEN BY A SOLID FUEL HAVING A SEPARATE SOURCE OF OXYGEN, A FUEL CHARGE DEFINED BY A PERIPHERAL WALL OF FUEL ENCOMPASSING A COMBUSTION CHAMBER, THE OUTSIDE OF SAID WALL BEING CYLINDRICAL IN CONFIGURATION, SAID WALL INCLUDING INWARDLY EXTENDING ANNULAR BAFFLES TO INCREASE THE TURBULENCE OF GASES PASSING THROUGH SAID CHAMBER DURING COMBUSTION.
Claim 2
Dependent Claim
56 words
IN A ROCKET DRIVEN BY A SOLID FUEL HAVING A SEPARATE SOURCE OF OXYGEN, A FUEL CHARGE DEFINED BY A PERIPHERAL WALL OF FUEL ENCOMPASSING A COMBUSTION CHAMBER, THE OUTSIDE OF SAID WALL BEING CYLINDRICAL IN CONFIGURATION, SAID WALL INCLUDING INWARDLY EXTENDING ANNULAR BAFFLES TO INCREASE THE TURBULENCE OF GASES PASSING THROUGH SAID CHAMBER DURING COMBUSTION.
References Cited (Backward Citations)
US1901852A
Cited
GB570210A
Cited
US2406560A
Cited
US2434652A
Cited
US2510147A
Cited
US2607191A
Cited
US2684570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |