US2605690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilating system for vehicles
Assignee: Motors Liquidation Co
•
Filing: 1947-09-08
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Granted: 1952-08-05
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Expires: 1967-09-08
Abstract
No abstract record available.
Inventors
- 👤 Charles F Henney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:08
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00357; B60H1/00371; B60H1/00271; B60H1/00295; B60H1/00007; B60H1/00207; B60H2001/00221; B60H2001/00235; B60H2001/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |