US2987520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 4(nitroalkyl)-3, 5-dinitro-1, 2, 4-triazoles
Assignee: Individual
•
Filing: 1956-07-11
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Granted: 1961-06-06
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Expires: 1976-07-11
Abstract
No abstract record available.
Inventors
- 👤 Darrell V Sickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/232; C06; C06B; C06B25/00; C06B25/04; C06B43/00; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D249/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
14 words
A NEW CHEMICAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF 4-(2-NITROETHYL)-3,5-DINITRO-1,2,4-TRIAZOLE, 4(2-NITROPROPYL)-3,5-DINITRO-1,2,4-TRIAZOLE AND 4-(2-NITRO2-PHENYLETHYL)-3,5-DINITRO-1,2-4-TRIAZOLE.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |