Patent US3301161A successfully refreshed from Google Patents.
US3301161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle body ventilation systems
Assignee: Motors Liquidation Co
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Filing: 1964-12-04
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Granted: 1967-01-31
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Attwood William Spencer
- 👤 Tree David William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:40
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/00042; B60H2001/00078; B60H2001/00085; B60H2001/00185; B60H2001/00192; B60H1/00207; B60H2001/00214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN COMBINATION WITH A VEHICLE BODY HAVING A PASSENGER COMPARTMENT AND A WINDSHIELD, A VENTILATION SYSTEM, COMPRISING, IN COMBINATION, AN AIR DISTRIBUTION DUCT EXTENDING TRANSVERSELY OF THE BODY AND INCLUDING A PLENUM CHAMBER INTERMEDIATE THE ENDS OF THE DUCT AND COMMUNICATING WITH AN AIR INTAKE, A HEATER ELEMENT LOCATED IN A FIRST PORTION OF THE PLENUM CHAMBER AND DISCHARGING AIR GENERALLY LONGITUDINALLY OF THE BODY INTO A SECOND PORTION OF THE PLENUM CHAMBER, A PAIR OF DISCHARGE CONDUITS EXTENDING GENERALLY TRANSVERSELY OF THE AIR FLOW FROM THE HEATER ELEMENT AND CONNECTED TO THE SECOND PORTION OF THE PLENUM CHAMBER TO RECEIVE AIR THEREFROM, MEANS DIVERTING THE AIR FLOW FROM THE SECOND PORTION OF THE PLENUM CHAMBER INTO EACH OF THE CONDUITS, EACH OF THE CONDUITS TERMINATING IN AN OUTLET COMMUNICATING WITH THE PASSENGER COMPARTMENT OF THE VEHICLE, A DE-MIST CONDUIT CONNECTED TO EACH OF THE DISCHARGE CONDUITS ADJACENT THE OUTLET THEREOF AND COMMUNICATING WITH THE WINDSHIELD OF THE VEHICLE, AND VALVE MEANS IN EACH OF THE DISCHARGE CONDUITS ADJACENT THE OUTLETS THEREOF TO APPORTION AIR BETWEEN THE PASSENGER COMPARTMENT AND THE WINDSHIELD.
Claim 2
Dependent Claim
182 words
IN COMBINATION WITH A VEHICLE BODY HAVING A PASSENGER COMPARTMENT AND A WINDSHIELD, A VENTILATION SYSTEM, COMPRISING, IN COMBINATION, AN AIR DISTRIBUTION DUCT EXTENDING TRANSVERSELY OF THE BODY AND INCLUDING A PLENUM CHAMBER INTERMEDIATE THE ENDS OF THE DUCT AND COMMUNICATING WITH AN AIR INTAKE, A HEATER ELEMENT LOCATED IN A FIRST PORTION OF THE PLENUM CHAMBER AND DISCHARGING AIR GENERALLY LONGITUDINALLY OF THE BODY INTO A SECOND PORTION OF THE PLENUM CHAMBER, A PAIR OF DISCHARGE CONDUITS EXTENDING GENERALLY TRANSVERSELY OF THE AIR FLOW FROM THE HEATER ELEMENT AND CONNECTED TO THE SECOND PORTION OF THE PLENUM CHAMBER TO RECEIVE AIR THEREFROM, MEANS DIVERTING THE AIR FLOW FROM THE SECOND PORTION OF THE PLENUM CHAMBER INTO EACH OF THE CONDUITS, EACH OF THE CONDUITS TERMINATING IN AN OUTLET COMMUNICATING WITH THE PASSENGER COMPARTMENT OF THE VEHICLE, A DE-MIST CONDUIT CONNECTED TO EACH OF THE DISCHARGE CONDUITS ADJACENT THE OUTLET THEREOF AND COMMUNICATING WITH THE WINDSHIELD OF THE VEHICLE, AND VALVE MEANS IN EACH OF THE DISCHARGE CONDUITS ADJACENT THE OUTLETS THEREOF TO APPORTION AIR BETWEEN THE PASSENGER COMPARTMENT AND THE WINDSHIELD.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |