US3065854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuging and liquid-purifying device
Assignee: Individual
•
Filing: 1959-08-10
•
Granted: 1962-11-27
•
Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Charles A Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:31
CPC Classifications
B; B01; B01D; B01D50/00; B01D19/00; B01D19/0042; B01D19/0052; B01D19/0057; B64; B64D; B64D37/00; B64D37/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2057779A
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US2156329A
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US2295097A
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US2300381A
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US2545374A
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US2751084A
Cited
US2811218A
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US2877899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |