Patent US2488278A successfully refreshed from Google Patents.
US2488278A
Expired / Lapsed
US
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Heating and ventilating device for vehicles
Assignee: Eaton Corp
•
Filing: 1944-11-01
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Granted: 1949-11-15
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Expires: 1964-11-01
Abstract
No abstract record available.
Inventors
- 👤 Howard J Findley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:47
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/00042; B60H1/00207; B60H2001/00214; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/109; Y10S165/11; Y10S165/111
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2026929A
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US2235642A
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US2295750A
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US2213018A
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US2264848A
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US2304643A
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US2309202A
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US2355151A
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US2291543A
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US2332707A
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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) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |