Patent US2876998A successfully refreshed from Google Patents.
US2876998A
Expired / Lapsed
US
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Heater air conditioning ductwork
Assignee: Ford Motor Co
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Filing: 1956-10-18
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Granted: 1959-03-10
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Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 William A Csabi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:59
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/00057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2264848A
Cited
US2747842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |