Patent US2930684A successfully refreshed from Google Patents.
US2930684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant combination including liquid fluorine and liquid oxide oxidizer
Assignee: North American Aviation Corp
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Filing: 1953-03-23
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Granted: 1960-03-29
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Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 Irving A Kanarek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:55
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/02; C06B47/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A PROPELLANT COMBINATION OF AN OXIDIZER CONSISTING OF 65% TO 89% BY WEIGHT OF LIQUID FLUORINE IN LIQUID OXYGEN AND A LIQUID ORGANIC FUEL CHOSEN FROM THE CLASS CONSISTING OF GASOLINE, ETHYL ALCOHOL, TRIETHYLAMINE AND ETHYLENEDIAMINE, THE RATIO BY WEIGHT OF TOTAL OXIDIZER TO TOTAL FUEL BEING SUBSTANTIALLY FROM 1.9 TO 3.8.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |