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Patent US1892648A successfully refreshed from Google Patents.
US1892648A
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Sedimentation device
Assignee: Dorr Co
•
Filing: 1932-07-23
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Granted: 1932-12-27
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Expires: 1952-07-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel I Bousman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:39
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; E; E03; E03F; E03F5/00; E03F5/14; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-12-27 | 1936-06-27 | 1936-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-27 | 1940-06-27 | 1940-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-27 | 1944-06-27 | 1944-12-27 | $7700.00 | Window Closed / Lapsed |