Patent US2612829A successfully refreshed from Google Patents.
US2612829A
Expired / Lapsed
US
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Vehicular heater
Assignee: Ford Motor Co
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Filing: 1948-05-05
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Granted: 1952-10-07
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Expires: 1968-05-05
Abstract
No abstract record available.
Inventors
- 👤 Harold V Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:51
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00064; B60H1/00071; B60H2001/00078; B60H2001/00085; B60H2001/00185; B60H2001/00192; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2131017A
Cited
US2225071A
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US2213018A
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US2325427A
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US2391408A
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US2532486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |