US2428756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sedimentation chamber for separating solids from liquids having flow distributing means therein
Assignee: Chain Belt Co
•
Filing: 1944-04-14
•
Granted: 1947-10-07
•
Expires: 1964-04-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Lind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:51
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; B01D21/04; B01D21/06; B01D21/0039; B01D21/0042; B01D21/24; B01D21/2405; B01D21/2416; B01D21/2427; B01D21/2433; B01D21/2444; B01D21/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |