US3363769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slurry dewatering apparatus
Assignee: Wilmot Engineering Co
•
Filing: 1964-11-19
•
Granted: 1968-01-16
•
Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 George L Wilmot
- 👤 James L Kearns
- 👤 Harold C Jeppsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:12
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/01; B01D29/44; B01D29/445; B01D29/50; B01D29/52; B01D29/88; B01D29/90; B01D29/904; B01D29/94; B01D29/945; B01D29/96; B01D29/965; B01D2201/00; B01D2201/18; B01D2201/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US262702A
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US1247620A
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US1537818A
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US2335084A
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US2588088A
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US2585719A
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US2682338A
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GB703185A
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US3024914A
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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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |