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US2884050A
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Centrifugal evaporator
Assignee: Individual
•
Filing: 1954-03-23
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Granted: 1959-04-28
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Expires: 1974-03-23
Abstract
No abstract record available.
Inventors
- 👤 Lloyd E Brownell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:38
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/08; B01D1/00; B01D1/22; B01D1/222; Y; Y10; Y10S; Y10S159/00; Y10S159/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1420648A
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US1588029A
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US2124914A
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US2292483A
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US2551360A
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US2623580A
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US2668080A
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US2596875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |