Patent US2502256A successfully refreshed from Google Patents.
US2502256A
Expired / Lapsed
US
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Fuel control valve
Assignee: Individual
•
Filing: 1944-05-11
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Granted: 1950-03-28
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Expires: 1964-05-11
Abstract
No abstract record available.
Inventors
- 👤 Jr John Harding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:31
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/40; F16K31/406; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/86944; Y10T137/86976
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) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |