Patent US2873953A successfully refreshed from Google Patents.
US2873953A
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US
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Air heating and cooling apparatus for vehicles
Assignee: Motors Liquidation Co
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Filing: 1954-12-31
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Granted: 1959-02-17
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Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Maurice A Thorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:58
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/065; B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/0005; B60H2001/00078; B60H2001/00085; B60H2001/00092; B60H2001/0015; B60H2001/00157; B60H2001/00185; B60H2001/00192; B60H1/00207; B60H2001/00214; B60H3/00; B60H3/06; B64; B64D; B64D13/00; B64D2013/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735657A
Cited
US2094221A
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US2173961A
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US2197172A
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US2235642A
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US2185486A
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US2264848A
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US2488278A
Cited
US2647451A
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US2789794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |