Patent US5545254A successfully refreshed from Google Patents.
US2932398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact fuel filter
Assignee: ACF Industries Inc
•
Filing: 1957-03-04
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Granted: 1960-04-12
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Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Korte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:22
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; B01D29/00; B01D29/11; B01D29/31; B01D29/33; B01D35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US780069A
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US2104519A
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US2222123A
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US2548965A
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US2557557A
Cited
US2587903A
Cited
US2798613A
Cited
US2760637A
Cited
US2795333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |