Patent US3429264A successfully refreshed from Google Patents.
US3429264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid rocket propellants
Assignee: Nitrochemie Aschau GmbH
•
Filing: 1966-11-25
•
Granted: 1969-02-25
•
Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Oversohl
- 👤 Fritz Clausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:34
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/10; F02K9/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |