US2965197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air filter panel
Assignee: Fram Corp
•
Filing: 1959-11-02
•
Granted: 1960-12-20
•
Expires: 1979-11-02
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Dow
- 👤 Joseph H Paton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:43
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10; Y; Y10; Y10S; Y10S55/00; Y10S55/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2080726A
Cited
US802090A
Cited
US1105857A
Cited
US1596950A
Cited
US1695091A
Cited
US1775717A
Cited
US2677436A
Cited
US2754928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |