US2673556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine fuel control
Assignee: Individual
•
Filing: 1952-10-13
•
Granted: 1954-03-30
•
Expires: 1972-10-13
Abstract
No abstract record available.
Inventors
- 👤 Reggio Ferdinando Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/04; F02D; F02D1/00; F02D3/00; F02D3/02; F02M57/00; F02M57/02; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0297; F02M2700/00; F02M2700/13; F02M2700/1317; Y; Y10; Y10S; Y10S60/00; Y10S60/913
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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |