Patent US2865727A successfully refreshed from Google Patents.
US2865727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor liquid propellant combination
Assignee: North American Aviation Corp
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Filing: 1950-12-04
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Granted: 1958-12-23
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Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Dapper Jay W De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:05
CPC Classifications
C; C06; C06B; C06B27/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
AN IMPROVED ROCKET MOTOR FUEL COMPRISING NOT LESS THAN 80% BY WEIGHT TURPENTINE AND THE REMAINDER AN ETHEREAL LIQUID IN WHICH UP TO FOUR AND ONE-HALF PERCENT BY WEIGHT LITHIUM ALUMINUM HYDRIDE IS DISSOLVED AND WHICH IS MISCIBLE WITH TURPENTINE.
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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |