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US3221138A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable car heater with time switch

Assignee: Individual
•
Filing: 1963-04-15
•
Granted: 1965-11-30
•
Expires: 1983-04-15
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Abstract

No abstract record available.

Inventors

  • 👤 William D Hercher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 19:57
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/22; B60H1/2215; B60H1/2225; B60H1/0025; B60H1/00264; F; F24; F24C; F24C7/00; F24C7/10; F24C7/105

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 266 words
IN A PORTABLE CAR HEATER THE COMBINATION OF A HOUSING, MEANS WITHIN SAID HOUSING FOR PRODUCING A QUANTITY OF HEAT AND MEANS WITHIN SAID HOUSING FOR AUTOMATICALLY PLACING SAID HEATING MEANS INTO OPERATION, SAID HOUSING COMPRISING A LONGITUDINAL UNIT, SAID UNIT HAVING A BOTTOM PANEL, A FRONT PANEL, A REAR PANEL, OPPOSITE END PANELS AND A TOP PANEL, SAID PANELS ENCLOSING TWO ADJACENT SIDE-BYSIDE COMPARTMENTS THEREWITHIN, SAID COMPARTMENTS BEING SPACED APART BY A VERTICAL PARTITION THEREBETWEEN, SAID HEATING MEANS COMPRISING A LONGITUDINAL HEATING ELEMENT OPERABLE BY ELECTRICAL POWER, SAID HEATING ELEMENT BEING SUPPORTED ON BOTTOM PANEL WITHIN ONE OF SAID COMPARTMENTS IN A HORIZONTAL PLANE, SAID AUTOMATIC MEANS FOR OPERATING SAID HEATER ELEMENT COMPRISING A MANUALLY SETTABLE TIME SWITCH, SAID TIME SWITCH BEING MOUNTED WITHIN THE OTHER OF SAID COMPARTMENTS OF SAID HOUSING, SAID TIME SWITCH BEING ELECTRICALLY CONNECTED TO SAID HEATING ELEMENT, SAID TIME SWITCH HAVING AN OUTLET CORD, ONE END OF SAID OUTLET CORD BEING ELECTRICALLY CONNECTED TO SAID TIME SWITCH AND THE OTHER END OF SAID OUTLET CORD HAVING A RECEPTACLE FOR BEING RECEIVED IN THE ELECTRICAL OUTLET OF A HOUSE OR GARGE, THE INTERIOR OF SAID COMPARTMENT CONTAINING SAID HEATING ELEMENT BEING ASBESTOS LINED ON ALL SIDES, AND SAID FRONT PANEL AND SAID REAR PANEL EACH HAVING A HORIZONTAL LONGITUDINAL OPEN SLOT ADJACENT THEIR UPPER EDGES COMMUNICATING ONLY WITH THE COMPARTMENT CONTAINING THE HEATING ELEMENT FOR ADMITTING HEAT FROM SAID COMPARTMENT CONTAINING SAID HEATING ELEMENT OUTWARD INTO THE INTERIOR OF AN AUTOMATIVE VEHICLE, SAID SLOTS FORMING THE SOLE COMMUNICATION BETWEEN THE INTERIOR AND THE EXTERIOR OF THE COMPARTMENT CONTAINING THE HEATING ELEMENT.
Claim 2
Dependent Claim 266 words
IN A PORTABLE CAR HEATER THE COMBINATION OF A HOUSING, MEANS WITHIN SAID HOUSING FOR PRODUCING A QUANTITY OF HEAT AND MEANS WITHIN SAID HOUSING FOR AUTOMATICALLY PLACING SAID HEATING MEANS INTO OPERATION, SAID HOUSING COMPRISING A LONGITUDINAL UNIT, SAID UNIT HAVING A BOTTOM PANEL, A FRONT PANEL, A REAR PANEL, OPPOSITE END PANELS AND A TOP PANEL, SAID PANELS ENCLOSING TWO ADJACENT SIDE-BYSIDE COMPARTMENTS THEREWITHIN, SAID COMPARTMENTS BEING SPACED APART BY A VERTICAL PARTITION THEREBETWEEN, SAID HEATING MEANS COMPRISING A LONGITUDINAL HEATING ELEMENT OPERABLE BY ELECTRICAL POWER, SAID HEATING ELEMENT BEING SUPPORTED ON BOTTOM PANEL WITHIN ONE OF SAID COMPARTMENTS IN A HORIZONTAL PLANE, SAID AUTOMATIC MEANS FOR OPERATING SAID HEATER ELEMENT COMPRISING A MANUALLY SETTABLE TIME SWITCH, SAID TIME SWITCH BEING MOUNTED WITHIN THE OTHER OF SAID COMPARTMENTS OF SAID HOUSING, SAID TIME SWITCH BEING ELECTRICALLY CONNECTED TO SAID HEATING ELEMENT, SAID TIME SWITCH HAVING AN OUTLET CORD, ONE END OF SAID OUTLET CORD BEING ELECTRICALLY CONNECTED TO SAID TIME SWITCH AND THE OTHER END OF SAID OUTLET CORD HAVING A RECEPTACLE FOR BEING RECEIVED IN THE ELECTRICAL OUTLET OF A HOUSE OR GARGE, THE INTERIOR OF SAID COMPARTMENT CONTAINING SAID HEATING ELEMENT BEING ASBESTOS LINED ON ALL SIDES, AND SAID FRONT PANEL AND SAID REAR PANEL EACH HAVING A HORIZONTAL LONGITUDINAL OPEN SLOT ADJACENT THEIR UPPER EDGES COMMUNICATING ONLY WITH THE COMPARTMENT CONTAINING THE HEATING ELEMENT FOR ADMITTING HEAT FROM SAID COMPARTMENT CONTAINING SAID HEATING ELEMENT OUTWARD INTO THE INTERIOR OF AN AUTOMATIVE VEHICLE, SAID SLOTS FORMING THE SOLE COMMUNICATION BETWEEN THE INTERIOR AND THE EXTERIOR OF THE COMPARTMENT CONTAINING THE HEATING ELEMENT.

References Cited (Backward Citations)

US1147916A Cited
US1534220A Cited
US1582684A Cited
US1658384A Cited
US1934565A Cited
US2121753A Cited
US2535424A Cited
US2843715A Cited
US2819373A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-29 1969-05-31 1969-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-29 1973-05-31 1973-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-29 1977-05-31 1977-11-30 $7700.00 Window Closed / Lapsed

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