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Patent US2910182A successfully refreshed from Google Patents.
US2910182A
Expired / Lapsed
US
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Water clarifying unit
Assignee: TRI COUNTY DAIRY COOPERATIVE
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Filing: 1957-04-29
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Granted: 1959-10-27
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Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Philip O Sletten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:19
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/001; C02F1/004; C02F2103/00; C02F2103/32; C02F2103/327
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |