Patent US2655007A successfully refreshed from Google Patents.
US2655007A
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Shell freezer and method of freezing liquids
Assignee: REFRIGERATION SYSTEMS Inc
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Filing: 1951-05-29
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Granted: 1953-10-13
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Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Lazar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:09
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/10; F25D; F25D15/00; F25D31/00; F25D31/006; F25D31/007; F25D2331/00; F25D2331/80; F25D2331/803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2140043A
Cited
US2256745A
Cited
US2342706A
Cited
US2441730A
Cited
US2484297A
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US2494864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |