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US2585006A
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US
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Sedimentation unit
Assignee: Dorr Co
•
Filing: 1947-01-29
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Granted: 1952-02-12
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Expires: 1967-01-29
Abstract
No abstract record available.
Inventors
- 👤 Frank L Graner
- 👤 Scott Charles Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:47
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/18; B01D21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1702192A
Cited
US1702193A
Cited
US1995559A
Cited
US2140059A
Cited
US2295943A
Cited
US2291836A
Cited
US2360817A
Cited
US2467409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |