US2521026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrazine compositions and method of producing them
Assignee: MW Kellogg Co
•
Filing: 1947-08-22
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Granted: 1950-09-05
•
Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 Solomon Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:22
CPC Classifications
C; C10; C10L; C10L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A MOTOR FUEL CONSISTING ESSENTIALLY OF HYDRAZINE AND BETWEEN ABOUT 10% AND ABOUT 20% OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN SULFIDE AND HYDROGEN CYANIDE AND HAVING A FREEZING POINT WHICH IS LOWER THAN THAT OF HYDRAZINE.
Claim 2
Dependent Claim
42 words
A MOTOR FUEL CONSISTING ESSENTIALLY OF HYDRAZINE AND BETWEEN ABOUT 10% AND ABOUT 20% OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN SULFIDE AND HYDROGEN CYANIDE AND HAVING A FREEZING POINT WHICH IS LOWER THAN THAT OF HYDRAZINE.
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) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |