US2804018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High and low pressure fuel system
Assignee: Stewart Warner Corp
•
Filing: 1953-12-17
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Granted: 1957-08-27
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Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 Frank A Ryder
- 👤 Samuel I Wendell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:40
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/22; B60H1/2203; F; F02; F02M; F02M37/00; F02M37/04; F02M37/14; B60H2001/2268; B60H2001/2284
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |