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Patent US2667336A successfully refreshed from Google Patents.
US2667336A
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Temperature and ventilation control apparatus for buses
Assignee: Vapor Heating Corp
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Filing: 1951-02-16
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Granted: 1954-01-26
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Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
- 👤 Timothy J Lehane
- 👤 William M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:59
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00357; B60H1/00371; B60H1/00642; B60H1/00814; F; F24; F24F; F24F11/00; F24F11/30; F24F11/70; F24F11/72; F24F11/74; B60H1/00007; B60H1/00207; B60H2001/00242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2315517A
Cited
US2209787A
Cited
US2323236A
Cited
GB587060A
Cited
US2534174A
Cited
US2522287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |