Patent US2560070A successfully refreshed from Google Patents.
US2560070A
Expired / Lapsed
US
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Evaporator
Assignee: Lummus Technology LLC
•
Filing: 1948-08-27
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Granted: 1951-07-10
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Expires: 1968-08-27
Abstract
No abstract record available.
Inventors
- 👤 Ward J Bloomer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:36
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1539435A
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US1608691A
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US1753972A
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US1668905A
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US1917606A
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US2007966A
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US2143191A
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US2302993A
Cited
US2428768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |