US2440663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for automatically controlling the supply of liquid fuel to prime movers
Assignee: ZF International UK Ltd
•
Filing: 1944-07-17
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Granted: 1948-04-27
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Expires: 1964-07-17
Abstract
No abstract record available.
Inventors
- 👤 Ifield Richard Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:50
CPC Classifications
F; F02; F02D; F02D1/00; F02D1/02; F02M; F02M41/00; F02M41/08; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1329; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/86131; Y10T137/86163
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) | 1951-04-27 | 1951-10-27 | 1952-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-27 | 1955-10-27 | 1956-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-27 | 1959-10-27 | 1960-04-27 | $7700.00 | Window Closed / Lapsed |