US2146729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic fuel control system for vehicles
Assignee: Individual
•
Filing: 1938-04-11
•
Granted: 1939-02-14
•
Expires: 1958-04-11
Abstract
No abstract record available.
Inventors
- 👤 Edward M Gavin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:27
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; F; F02; F02M; F02M37/00; F02M37/0076; F02M37/0088; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569; Y10T137/4673; Y10T137/4807; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-02-13 | 1942-08-15 | 1943-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-02-13 | 1946-08-15 | 1947-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-02-13 | 1950-08-15 | 1951-02-14 | $7700.00 | Window Closed / Lapsed |