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US2700337A
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US
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Liquid propellent rocket
Assignee: Individual
•
Filing: 1952-02-28
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Granted: 1955-01-25
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Expires: 1972-02-28
Abstract
No abstract record available.
Inventors
- 👤 James M Cumming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:18
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/14; F02; F02K; F02K9/00; F02K9/42; F02K9/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2465401A
Cited
US2444957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |