Patent US2701642A successfully refreshed from Google Patents.
US2701642A
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Continuous centrifugal separator
Assignee: G G SANDERS
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Filing: 1951-04-11
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Granted: 1955-02-08
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Expires: 1971-04-11
Abstract
No abstract record available.
Inventors
- 👤 Goodwin Norris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:43
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/02; C08C1/075; C08C1/10; B; B04; B04C; B04C3/00; B04C5/00; B04C5/02; B04C9/00; B04C2009/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1367637A
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US1698361A
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US2047157A
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US1842372A
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US1917266A
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US2199015A
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US2293398A
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US2510781A
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US2642991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |