Patent US2748574A successfully refreshed from Google Patents.
US2748574A
Expired / Lapsed
US
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Water defrost refrigerated showcase
Assignee: Weber Showcase and Fixture Co Inc
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Filing: 1952-03-24
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Granted: 1956-06-05
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Expires: 1972-03-24
Abstract
No abstract record available.
Inventors
- 👤 Donald H Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:07
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/06; F25D21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1626255A
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US2056087A
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US2323511A
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US2476184A
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US2505201A
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US2524568A
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US2528916A
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US2571192A
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US2649695A
Cited
US2626401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |