Patent US2610472A successfully refreshed from Google Patents.
US2610472A
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Portable refrigerating apparatus
Assignee: MAXWELL REFRIGERATION Ltd
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Filing: 1948-10-01
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Granted: 1952-09-16
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Expires: 1968-10-01
Abstract
No abstract record available.
Inventors
- 👤 Maxwell John Bertel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:50
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/12; F25D3/14; F25D2303/00; F25D2303/08; F25D2303/082; F25D2303/0821; F25D2331/00; F25D2331/80; F25D2331/804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1878042A
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US1951679A
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US1893483A
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US1951074A
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US1949518A
Cited
US2056731A
Cited
US2039334A
Cited
US2089965A
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GB522507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |