Patent US3248420A successfully refreshed from Google Patents.
US3248420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making the acetates of trinitro-aza-alkylnitrates
Assignee: Aerojet Rocketdyne Inc
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Filing: 1962-04-09
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Granted: 1966-04-26
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Gustave B Linden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:03
CPC Classifications
C; C06; C06B; C06B25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
THE PROCESS FOR MAKING COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
8 words
THE PROCESS FOR MAKING COMPOUNDS OF THE FORMULA:
References Cited (Backward Citations)
US2267302A
Cited
US2994714A
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US2967195A
Cited
US2978474A
Cited
US2978497A
Cited
US2978483A
Cited
US3000935A
Cited
US3025318A
Cited
US2978476A
Cited
US2934558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |