Patent GB2043201A successfully refreshed from Google Patents.
US2507862A
Expired / Lapsed
US
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Quick-freeze, quick-thaw device for foodstuffs
Assignee: Reynolds Metals Co
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Filing: 1945-01-10
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Granted: 1950-05-16
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Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 Warren J Mead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:20
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/04; A23B7/045; A23B7/0425; A23B7/0433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US267535A
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US858258A
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US2011289A
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US2013896A
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US1983549A
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US2129572A
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US2075472A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |