US2483706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for clarifying liquids
Assignee: Chain Belt Co
•
Filing: 1944-06-06
•
Granted: 1949-10-04
•
Expires: 1964-06-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Lind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:02
CPC Classifications
C; C11; C11B; C11B13/00; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0205; B01D17/0208; B01D17/0211; B01D17/04; B01D17/041; B01D17/047; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US612904A
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US1194000A
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US883608A
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US1955064A
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US1821266A
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US2146542A
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US2226532A
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US2211565A
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US2311830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |