US2605046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal clarifier
Assignee: Tecalemit Ltd
•
Filing: 1948-01-07
•
Granted: 1952-07-29
•
Expires: 1968-01-07
Abstract
No abstract record available.
Inventors
- 👤 Clair Camille Clare Sprankl Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:56
CPC Classifications
B; B04; B04B; B04B1/00; B04B1/04; C; C10; C10M; C10M175/00; C10M175/0058; Y; Y10; Y10S; Y10S494/00; Y10S494/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US632338A
Cited
US631680A
Cited
US696130A
Cited
US1148771A
Cited
US1619652A
Cited
FR703182A
Cited
US2045116A
Cited
US1998359A
Cited
US2089122A
Cited
CH184364A
Cited
US2268534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |