Patent US2584357A successfully refreshed from Google Patents.
US2584357A
Expired / Lapsed
US
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Regenerative evaporator
Assignee: Cleaver Brooks Co
•
Filing: 1949-04-23
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Granted: 1952-02-05
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Expires: 1969-04-23
Abstract
No abstract record available.
Inventors
- 👤 Loebel Frederick Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:36
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/06; B01D1/10; Y; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
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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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |