US2902162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw neck type filter cartridge
Assignee: Dana Inc
•
Filing: 1955-03-29
•
Granted: 1959-09-01
•
Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Kingsley E Humbert
- 👤 Ralph L Young
- 👤 Jr Lewis M Hough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:38
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D35/157; B01D27/00; B01D27/04; B01D27/06; B01D27/08; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/21; B01D29/23; B01D29/232; B01D35/1576; B01D2201/00; B01D2201/12; B01D2201/18; B01D2201/182; B01D2201/40; B01D2201/4023; Y; Y10; Y10S; Y10S210/00; Y10S210/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1676268A
Cited
US1872430A
Cited
US2249681A
Cited
US2418777A
Cited
US2600480A
Cited
US2562361A
Cited
US2680521A
Cited
US2749265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |