US3076551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter sealing means
Assignee: Dana Inc
•
Filing: 1960-03-22
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Granted: 1963-02-05
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Expires: 1980-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Kingsley E Humbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:25
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/30; B01D35/306; B01D27/00; B01D27/08; B01D27/10; B01D27/103; B01D27/106; B01D2201/00; B01D2201/34; Y; Y10; Y10S; Y10S277/00; Y10S277/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |