Patent US2696774A successfully refreshed from Google Patents.
US2696774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile heating and ventilating system
Assignee: Motors Liquidation Co
•
Filing: 1950-01-12
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Granted: 1954-12-14
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Expires: 1970-01-12
Abstract
No abstract record available.
Inventors
- 👤 George R Bayley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:05
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/24; B60H1/241; B60H1/246
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |