US3587439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive air-vent automatic control systems
Assignee: Automobiles Peugeot SA
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Filing: 1969-01-10
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Granted: 1971-06-28
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Expires: 1989-01-10
Abstract
Abstract A DEVICE FOR AUTOMATICALLY CONTROLLING THE MOVABLE LOUVRE OF AN AIR VENT IN A VENTILATION SYSTEM OF AN AUTOMOTIVE VEHICLE, WHEREIN SAID LOUVRE IS CONTROLLED BY MEANS OF A MECHANICAL TRANSMISSION CONNECTED TO THE MOVABLE MEMBER OF A VACUUM CYLINDER OF WHICH THE SUCTION CHAMBER COMMUNICATES WITH THE SUCTION ORIFICE OF A VENTURI TUBE HAVING ITS CONVERGENT SMALL SECTION DIRECTED TOWARDS THE RELATIVE WIND.
Inventors
- 👤 Jacques Mercier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:57
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00735; B60H1/00764
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |