Patent US2634577A successfully refreshed from Google Patents.
US2634577A
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Compact container arrangement for propellant feeding means of rockets
Assignee: Bristol Siddeley Engines Ltd
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Filing: 1949-12-27
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Granted: 1953-04-14
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Expires: 1969-12-27
Abstract
No abstract record available.
Inventors
- 👤 Halford Frank Bernard
- 👤 Cleaver Arthur Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:43
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR477022A
Cited
FR625104A
Cited
GB293594A
Cited
US2434298A
Cited
US2532708A
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US2426537A
Cited
US2400248A
Cited
US2505798A
Cited
US2523008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |