US2751084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel tank filter installation
Assignee: Purolator Products Inc
•
Filing: 1954-03-11
•
Granted: 1956-06-19
•
Expires: 1974-03-11
Abstract
No abstract record available.
Inventors
- 👤 John R Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:47
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/23; B01D29/232; B01D29/88; B01D29/90; B01D29/902; B01D29/92; B01D29/925; B01D35/00; B01D35/02; B01D35/027; B60K15/04; B01D2201/00; B01D2201/48; B60K2015/03236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1677118A
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US1191741A
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US1501804A
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US2226045A
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US2325399A
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US2606628A
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US2642187A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |