US2489611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel control mechanism
Assignee: GRAND IND Inc
•
Filing: 1943-11-18
•
Granted: 1949-11-29
•
Expires: 1963-11-18
Abstract
No abstract record available.
Inventors
- 👤 Becvar Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:44
CPC Classifications
F; F16; F16K; F16K35/00; F16K35/14; F24; F24C; F24C3/00; F24C3/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7069; Y10T137/7131; Y10T137/7225; Y10T137/7256; Y10T137/8593; Y10T137/87096; Y10T137/877; Y10T137/87708; Y10T137/8778; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834; Y10T74/2084
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |