US3067575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable rocket motor
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1959-01-02
•
Granted: 1962-12-11
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Marshall J Corbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:26
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/70; F02K9/08; F02K9/32; F02K9/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2114214A
Cited
GB582621A
Cited
GB695048A
Cited
GB701117A
Cited
US2789505A
Cited
US2700337A
Cited
US2753801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |