Patent US2526032A successfully refreshed from Google Patents.
US2526032A
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US
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Defrosting method and apparatus for refrigeration systems
Assignee: FRANCIS L LA PORTE
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Filing: 1948-10-11
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Granted: 1950-10-17
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Expires: 1968-10-11
Abstract
No abstract record available.
Inventors
- 👤 Porte Louis F La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:14
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/06; F25D21/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890085A
Cited
US1912841A
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US1937288A
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US2081479A
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US2095017A
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US2181276A
Cited
US2286205A
Cited
US2452102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |