Patent US2857177A successfully refreshed from Google Patents.
US2816660A
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US
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Method of decanting liquids containing material in suspension
Assignee: Individual
•
Filing: 1953-06-19
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Granted: 1957-12-17
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Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
- 👤 Bounin Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/0018; B01D21/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US624633A
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US970823A
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US1605596A
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US1717478A
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US1662180A
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US1938894A
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US1912019A
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US2499816A
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US2610836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |