US2627906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel metering system for internalcombustion engines
Assignee: Rolls Royce PLC
•
Filing: 1949-02-14
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Granted: 1953-02-10
•
Expires: 1969-02-14
Abstract
No abstract record available.
Inventors
- 👤 Johnson Christopher Linley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:28
CPC Classifications
G; G01; G01F; G01F9/00; G01F9/006; F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0297; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2229681A
Cited
GB526998A
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US2412289A
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GB560196A
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US2414617A
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US2485525A
Cited
US2531780A
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GB611312A
Cited
US2479813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |