US2424792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling apparatus
Assignee: MT VERNON FARM DAIRY
•
Filing: 1944-02-14
•
Granted: 1947-07-29
•
Expires: 1964-02-14
Abstract
No abstract record available.
Inventors
- 👤 Albert J Blum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:12
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/08; F28F3/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1825645A
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US1770254A
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US1915516A
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US2028562A
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US2056581A
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US2229306A
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US2293041A
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US2379671A
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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) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |