Patent US2651418A successfully refreshed from Google Patents.
US2651418A
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US
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Fuel oil filter unit
Assignee: General Electric Co
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Filing: 1949-11-30
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Granted: 1953-09-08
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Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 James J Prendergast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:34
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/16; B01D29/00; B01D29/39; B01D29/41; B01D29/62; B01D29/64; B01D29/6438; B01D29/6446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1344215A
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US1219796A
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US1510568A
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US1871207A
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US1867397A
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US2087775A
Cited
US2347927A
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US2423329A
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US2411539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |