US2763189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket and fuel pod
Assignee: Northrop Grumman Corp
•
Filing: 1952-08-30
•
Granted: 1956-09-18
•
Expires: 1972-08-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Grill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:23
CPC Classifications
F; F41; F41F; F41F3/00; F41F3/04; F41F3/06; B; B64; B64D; B64D1/00; B64D1/02; B64D1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2273839A
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US2402632A
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US2398871A
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US2454806A
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US2428359A
Cited
FR924013A
Cited
US2609730A
Cited
US2546823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |