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
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.
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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) | 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 |