Patent US2846943A successfully refreshed from Google Patents.
US2846943A
Expired / Lapsed
US
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Apparatus for separating liquid and solid material
Assignee: FMC Corp
•
Filing: 1954-08-23
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Granted: 1958-08-12
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Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Wilber C Belk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:51
CPC Classifications
A; A47; A47J; A47J19/00; A47J19/02; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1756205A
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US1856272A
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US2510764A
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US2649730A
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US2705177A
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US2705916A
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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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |