US2966268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing sediment
Assignee: Chain Belt Co
•
Filing: 1956-06-12
•
Granted: 1960-12-27
•
Expires: 1976-06-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Lind
- 👤 William J Katz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:04
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; B01D21/04; B01D21/06; B01D21/0006; B01D21/18; B01D21/24; B01D21/2427; B01D21/245; B01D21/2466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189412699A
Cited
US1607669A
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US1947429A
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US2263168A
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US2150865A
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US2143441A
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US2236128A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |