US2979208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid line supported filter and filter mounting
Assignee: Dana Inc
•
Filing: 1956-12-17
•
Granted: 1961-04-11
•
Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Kingsley E Humbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:02
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; B01D27/00; B01D27/08; Y; Y10; Y10S; Y10S210/00; Y10S210/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US846704A
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US1705042A
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GB293745A
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US1940316A
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GB484130A
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US2284787A
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US2586508A
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US2731152A
Cited
FR60093E
Cited
US2758719A
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US2792116A
Cited
GB773490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |