US2997180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-vapor-lock fuel filter
Assignee: Old Carco LLC
•
Filing: 1957-06-03
•
Granted: 1961-08-22
•
Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Oliver D Loveday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:48
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/0047; B; B01; B01D; B01D35/00; B01D35/005; F02M37/22; F02M37/32; B60; B60K; B60K15/00; B60K15/03; B60K2015/03118; F02M37/0076; F02M37/0088; F02M37/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1623074A
Cited
US1849590A
Cited
US1910553A
Cited
US2323525A
Cited
US2647566A
Cited
US2707050A
Cited
GB711131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |