Patent DE2339842A1 successfully refreshed from Google Patents.
US2629233A
Expired / Lapsed
US
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Food freezing apparatus
Assignee: FMC Corp
•
Filing: 1948-02-24
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Granted: 1953-02-24
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Expires: 1968-02-24
Abstract
No abstract record available.
Inventors
- 👤 John C Olsen
- 👤 Theodore A Dungan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:27
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/803; A23B2/8033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1297569A
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US1814915A
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US1913001A
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US1928755A
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US1898758A
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US1932887A
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US2019551A
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US2053540A
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US2228998A
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US2263499A
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US2511661A
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US2436390A
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US2478465A
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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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |