Patent US2832277A successfully refreshed from Google Patents.
US2832277A
Expired / Lapsed
US
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Vehicle heating and ventilating apparatus
Assignee: Eaton Corp
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Filing: 1953-07-29
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Granted: 1958-04-29
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Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 Simons Homer Charles
- 👤 Clarence G Nenadal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:42
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/00042; B60H2001/0015; B60H2001/00171
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2306796A
Cited
US2488278A
Cited
US2634670A
Cited
US2631517A
Cited
US2605688A
Cited
US2627218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |