US3077072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelled hydrazine monopropellant
Assignee: Specialties Development Corp
•
Filing: 1959-01-29
•
Granted: 1963-02-12
•
Expires: 1979-01-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:52
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/70; C; C06; C06B; C06B23/00; C06B23/001; C06B47/00; C06B47/02; C06B47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE METHOD OF PROVIDING POWDER, WHICH METHOD COMPRISES DECOMPOSING AND BURNING IN A COMBUSTION CHAMBER OF A REACTION MOTOR, A COMPOSITION CONSISTING ESSENTIALLY OF HYDRAZINE GELLED WITH BETWEEN ABOUT 0.25% AND ABOUT 3% BY WEIGHT OF A HYDROPHILIC SOL TYPE GELLING AGENT SELECTED FROM THE GROUP CONSISTING OF GUAR GUM,
Claim 2
Independent Claim
50 words
THE METHOD OF PROVIDING POWDER, WHICH METHOD COMPRISES DECOMPOSING AND BURNING IN A COMBUSTION CHAMBER OF A REACTION MOTOR, A COMPOSITION CONSISTING ESSENTIALLY OF HYDRAZINE GELLED WITH BETWEEN ABOUT 0.25% AND ABOUT 3% BY WEIGHT OF A HYDROPHILIC SOL TYPE GELLING AGENT SELECTED FROM THE GROUP CONSISTING OF GUAR GUM,
References Cited (Backward Citations)
US2563265A
Cited
US2643184A
Cited
US2479470A
Cited
US2648317A
Cited
US2690964A
Cited
US2807565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |