Patent US2583149A successfully refreshed from Google Patents.
US2583149A
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US
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Evaporative fluid cooling apparatus
Assignee: Kramer Trenton Co
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Filing: 1948-10-19
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Granted: 1952-01-22
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Expires: 1968-10-19
Abstract
No abstract record available.
Inventors
- 👤 Malkoff Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:21
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04; F25B2339/00; F25B2339/04; F25B2339/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1428661A
Cited
FR560319A
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US1861158A
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US2221530A
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FR839815A
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US2259541A
Cited
US2291937A
Cited
US2379932A
Cited
US2509031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |