US2870912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus to separate the solid particles in a liquid solution and to dry said particles
Assignee: GUINARD SOC CONST
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Filing: 1955-08-11
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Granted: 1959-01-27
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Expires: 1975-08-11
Abstract
No abstract record available.
Inventors
- 👤 Mathieu Francois Joseph Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:25
CPC Classifications
C; C13; C13B; C13B30/00; C13B30/04; C13B30/06; B; B01; B01D; B01D11/00; B01D11/02; B01D11/0269; B01D11/0273; B01D11/0276; B04; B04B; B04B15/00; B04B15/12; B04B3/00; B04B3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |