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US3111166A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable heating and cooling appliance

Assignee: General Electric Co
•
Filing: 1961-04-13
•
Granted: 1963-11-19
•
Expires: 1981-04-13
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Abstract

No abstract record available.

Inventors

  • 👤 Robert E Munz
  • 👤 Lawrence R Collins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:27
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 186 words
A PORTABLE HEATING AND COOLING APPLIANCE COMPRISING IN COMBINATION INSULATED TOP, BOTTOM, BACK AND SIDE WALLS DEFINING A STORAGE COMPARTMENT HAVING AN ACCESS OPENING AT THE FRONT THEREOF, AN INSULATED DOOR FOR CLOSING SAID ACCESS OPENING, A PLURALITY OF THERMOELECTRIC ELEMENTS ARRANGED IN THE TOP, BOTTOM AND SIDE WALLS TO PROVIDE A PLURALITY OF COLD JUNCTIONS IN HEAT EXCHANGE RELATIONSHIP WITH SAID COMPARTMENT AND A PLURALITY OF HOT JUNCTIONS IN HEAT DISSIPATING RELATIONSHIP WITH THE OUTER SURFACES OF SAID TOP, BOTTOM AND SIDE WALLS, A POWER SUPPLY COMPARTMENT BELOW SAID STORAGE COMPARTMENT AND SEPARATED THEREFROM BY SAID BOTTOM WALL, SAID REAR WALL HAVING A RECESS IN THE OUTER SURFACE THEREOF, AN ELECTRICAL HEATING MEANS NORMALLY DISPOSED IN SAID RECESS AND PIVOTALLY SUPPORTED ON SAID BACK WALL AND ALONG THE BOTTOM EDGE THEREOF FOR MOVEMENT THEREOF TO A HORIZONTAL POSITION, AND A SUPPLY CIRCUIT COMPRISING A FIRST PORTION FOR ENERGIZING SAID HEATING MEANS AND A SECOND PORTION FOR ENERGIZING SAID THERMOELECTRIC ELEMENTS INCLUDING SWITCH MEANS OPERABLE WHEN SAID HEATING MEANS IS MOVED TO ITS STORAGE POSITION IN SAID RECESS FOR OPENING SAID FIRST PORTION OF SAID CIRCUIT.
Claim 2
Dependent Claim 186 words
A PORTABLE HEATING AND COOLING APPLIANCE COMPRISING IN COMBINATION INSULATED TOP, BOTTOM, BACK AND SIDE WALLS DEFINING A STORAGE COMPARTMENT HAVING AN ACCESS OPENING AT THE FRONT THEREOF, AN INSULATED DOOR FOR CLOSING SAID ACCESS OPENING, A PLURALITY OF THERMOELECTRIC ELEMENTS ARRANGED IN THE TOP, BOTTOM AND SIDE WALLS TO PROVIDE A PLURALITY OF COLD JUNCTIONS IN HEAT EXCHANGE RELATIONSHIP WITH SAID COMPARTMENT AND A PLURALITY OF HOT JUNCTIONS IN HEAT DISSIPATING RELATIONSHIP WITH THE OUTER SURFACES OF SAID TOP, BOTTOM AND SIDE WALLS, A POWER SUPPLY COMPARTMENT BELOW SAID STORAGE COMPARTMENT AND SEPARATED THEREFROM BY SAID BOTTOM WALL, SAID REAR WALL HAVING A RECESS IN THE OUTER SURFACE THEREOF, AN ELECTRICAL HEATING MEANS NORMALLY DISPOSED IN SAID RECESS AND PIVOTALLY SUPPORTED ON SAID BACK WALL AND ALONG THE BOTTOM EDGE THEREOF FOR MOVEMENT THEREOF TO A HORIZONTAL POSITION, AND A SUPPLY CIRCUIT COMPRISING A FIRST PORTION FOR ENERGIZING SAID HEATING MEANS AND A SECOND PORTION FOR ENERGIZING SAID THERMOELECTRIC ELEMENTS INCLUDING SWITCH MEANS OPERABLE WHEN SAID HEATING MEANS IS MOVED TO ITS STORAGE POSITION IN SAID RECESS FOR OPENING SAID FIRST PORTION OF SAID CIRCUIT.

References Cited (Backward Citations)

US1885041A Cited
US2091292A Cited
US2749716A Cited
US2991628A Cited
US3040539A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-11-18 1967-05-20 1967-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-11-18 1971-05-20 1971-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-11-18 1975-05-20 1975-11-19 $7700.00 Window Closed / Lapsed

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