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US2522959A
Expired / Lapsed
US
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2, 2-dinitro-1, 3-propanediol and method of preparing same
Assignee: Aerojet Rocketdyne Inc
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Filing: 1949-01-22
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Granted: 1950-09-19
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Expires: 1969-01-22
Abstract
No abstract record available.
Inventors
- 👤 Plaut Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:26
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/13; C07C205/14; C07C205/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A NEW COMPOSITION OF MATTER COMPRISING 2,2DINITRO-1,3-PROPANEDIOL
Claim 2
Dependent Claim
7 words
A NEW COMPOSITION OF MATTER COMPRISING 2,2DINITRO-1,3-PROPANEDIOL
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) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |