US2424259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for settling suspended solids from liquid mediums
Assignee: GEORGE S PELTON
•
Filing: 1943-12-13
•
Granted: 1947-07-22
•
Expires: 1963-12-13
Abstract
No abstract record available.
Inventors
- 👤 Glenn S Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:02
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/28; B01D21/283; B01D21/02; B01D21/04; B01D21/06; B01D21/08; B01D21/24; B01D21/2427
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) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |