Patent US2596324A successfully refreshed from Google Patents.
US2596324A
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Air cooler
Assignee: F A PATCHETT
•
Filing: 1949-06-20
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Granted: 1952-05-13
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Expires: 1969-06-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Carpenter
- 👤 James T Calonico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:58
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3202; F; F01; F01P; F01P9/00
Claims Analysis
Total Claims: 0
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US2427714A
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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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |