US2620071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil filter cartridge mounting
Assignee: Individual
•
Filing: 1949-01-31
•
Granted: 1952-12-02
•
Expires: 1969-01-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Zenick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:59
CPC Classifications
B; B01; B01D; B01D27/00; B01D27/04; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/21; B01D29/216; B01D29/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US165377A
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US781018A
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US2079910A
Cited
US2218339A
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US2110009A
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US2327011A
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US2325399A
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US2512797A
Cited
US2427733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |