US2601607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant injection system for rocket motors
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1949-12-27
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Granted: 1952-06-24
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Expires: 1969-12-27
Abstract
No abstract record available.
Inventors
- 👤 Halford Frank Bernard
- 👤 Cleaver Arthur Valentine
- 👤 Dove Ernest Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:00
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/50; F02K9/56; F02K9/566
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2532708A
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US2395406A
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US2496553A
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US2398201A
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US2406926A
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US2505798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |