US2649686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling the supply of liquid fuel to the combustion chambers of prime movers
Assignee: ZF International UK Ltd
•
Filing: 1950-02-20
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Granted: 1953-08-25
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Expires: 1970-02-20
Abstract
No abstract record available.
Inventors
- 👤 Lawrence Owen Napier
- 👤 Harris Thomas Alfred
- 👤 Fleming William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
F; F02; F02D; F02D3/00; F02D3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |