Patent US4326328A successfully refreshed from Google Patents.
Patent US2743589A successfully refreshed from Google Patents.
US2743589A
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US
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Vehicle refrigerating apparatus
Assignee: Keco Industries Inc
•
Filing: 1949-12-10
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Granted: 1956-05-01
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Expires: 1969-12-10
Abstract
No abstract record available.
Inventors
- 👤 Leon L Kuempel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:10
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00207; B60H1/32; F; F25; F25B; F25B1/00; B60H2001/00242
Claims Analysis
Total Claims: 0
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |