US2318436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sedimentation tank
Assignee: Link Belt Co
•
Filing: 1938-12-24
•
Granted: 1943-05-04
•
Expires: 1958-12-24
Abstract
No abstract record available.
Inventors
- 👤 Marcus B Tark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:57
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/10; B01D21/12; B01D21/18; B01D21/183; B01D21/24; B01D21/2433; B01D21/245
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) | 1946-05-03 | 1946-11-02 | 1947-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-03 | 1950-11-02 | 1951-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-03 | 1954-11-02 | 1955-05-04 | $7700.00 | Window Closed / Lapsed |