US2064792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sedimentation apparatus
Assignee: —
•
Filing: —
•
Granted: 1936-12-15
•
Expires: 1953-12-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:24
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; B01D21/0003; B01D21/003; B01D21/0039; B01D21/0042; B01D21/04; B01D21/24; B01D21/2405; B01D21/2433; B01D21/2444; B01D21/245; B01D21/30; B01D21/34
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) | 1939-12-15 | 1940-06-15 | 1940-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-15 | 1944-06-15 | 1944-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-15 | 1948-06-15 | 1948-12-15 | $7700.00 | Window Closed / Lapsed |