Patent US3063257A successfully refreshed from Google Patents.
US3063257A
Expired / Lapsed
US
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Defrosting apparatus for an absorption refrigerator
Assignee: Whirlpool Corp
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Filing: 1959-11-13
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Granted: 1962-11-13
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Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Phillips
- 👤 Jr John Roeder
- 👤 Roy W Kruggel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:27
CPC Classifications
F; F25; F25B; F25B47/00; F25B47/02; F25B47/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1970340A
Cited
US2468104A
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US2630685A
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US2670607A
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US2670606A
Cited
US2769311A
Cited
US2738653A
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US2999368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |