US3014474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi tank fuel system with automatic changeover
Assignee: Fawick Corp
•
Filing: 1957-05-31
•
Granted: 1961-12-26
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Oscar H Banker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:15
CPC Classifications
B; B60; B60K; B60K15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1581595A
Cited
US2146729A
Cited
US2406854A
Cited
US2356200A
Cited
US2519968A
Cited
US2781727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |