Patent US4467385A successfully refreshed from Google Patents.
Patent US2913114A successfully refreshed from Google Patents.
US2913114A
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Process and an apparatus for separating solids from suspensions of solids in fluids
Assignee: MASKIN PLAVIA AB
•
Filing: 1953-09-11
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Granted: 1959-11-17
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Expires: 1973-09-11
Abstract
No abstract record available.
Inventors
- 👤 Plaven Ola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:08
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/24; B01D21/2405; B01D21/2411; B01D21/0039; B01D21/0045; B01D21/02; B01D21/2416; B01D21/2427; B01D21/26; B01D46/00; B01D46/30; B04; B04C; B04C1/00; B04C3/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |