Patent US3123986A successfully refreshed from Google Patents.
US3123986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined refrigerator
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:15
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/12; F24; F24F; F24F11/00; F24F11/30; F24F11/70; F24F11/80; F24F11/83; F24F11/84; F24F11/86; F25D29/00; F25D2400/00; F25D2400/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
IN A COMBINATION REFRIGERATOR AND AIR CONDITIONER, A HOUSING ADAPTED TO EXTEND THROUGH AN OPENING IN AN EXTERIOR BUILDING WALL AND PROVIDING A PORTION IN COMMUNICATION WITH THE ATMOSPHERE OUTSIDE THE BUILDING AND HAVING A REFRIGERATOR CONDENSER THEREIN, A PORTION IN COMMUNICATION WITH THE ATMOSPHERE INSIDE OF THE BUILDING HAVING AN AIR CONDITIONING EVAPORATOR THEREIN, AND A PORTION INSULATED FROM THE INSIDE AND OUTSIDE ATMOSPHERE FORMING A REFRIGERATOR COMPARTMENT HAVING A REFRIGERATOR EVAPORATOR THEREIN, A REFRIGERANT COMPRESSOR IN SAID HOUSING, MEANS INTERCONNECTING SAID COMPRESSOR, CONDENSER AND SAID EVAPORATORS IN A REFRIGERANT CIRCUIT, SAID EVAPORATORS BEING IN PARALLEL RELATIONSHIP, A FIRST THERMOSTATIC MEANS RESPONSIVE TO A RISE IN TEMPERATURE IN SAID REFRIGERATOR COMPARTMENT TO ENERGIZE SAID COMPRESSOR AND DIRECT THE FLOW OF REFRIGERANT FROM SAID COMPRESSOR THROUGH SAID CONDENSER TO SAID REFRIGERATOR EVAPORATOR AND TO THE INLET SIDE OF SAID COMPRESSOR AND A SECOND THERMOSTATIC MEANS RESPONSIVE TO THE TEMPERATURE OF AIR ENTERING SAID AIR CONDITIONER HOUSING FOR CAUSING OPERATION OF SAID COMPRESSOR AND FLOW OF REFRIGERANT THROUGH SAID AIR CONDITIONER EVAPORATOR WHEN SAID FIRST THERMOSTATIC MEANS HAS RESPONDED TO A DECREASE IN TEMPERATURE TO DIRECT REFRIGERANT TO SAID AIR CONDITIONER EVAPORATOR BRANCH.
Claim 2
Dependent Claim
192 words
IN A COMBINATION REFRIGERATOR AND AIR CONDITIONER, A HOUSING ADAPTED TO EXTEND THROUGH AN OPENING IN AN EXTERIOR BUILDING WALL AND PROVIDING A PORTION IN COMMUNICATION WITH THE ATMOSPHERE OUTSIDE THE BUILDING AND HAVING A REFRIGERATOR CONDENSER THEREIN, A PORTION IN COMMUNICATION WITH THE ATMOSPHERE INSIDE OF THE BUILDING HAVING AN AIR CONDITIONING EVAPORATOR THEREIN, AND A PORTION INSULATED FROM THE INSIDE AND OUTSIDE ATMOSPHERE FORMING A REFRIGERATOR COMPARTMENT HAVING A REFRIGERATOR EVAPORATOR THEREIN, A REFRIGERANT COMPRESSOR IN SAID HOUSING, MEANS INTERCONNECTING SAID COMPRESSOR, CONDENSER AND SAID EVAPORATORS IN A REFRIGERANT CIRCUIT, SAID EVAPORATORS BEING IN PARALLEL RELATIONSHIP, A FIRST THERMOSTATIC MEANS RESPONSIVE TO A RISE IN TEMPERATURE IN SAID REFRIGERATOR COMPARTMENT TO ENERGIZE SAID COMPRESSOR AND DIRECT THE FLOW OF REFRIGERANT FROM SAID COMPRESSOR THROUGH SAID CONDENSER TO SAID REFRIGERATOR EVAPORATOR AND TO THE INLET SIDE OF SAID COMPRESSOR AND A SECOND THERMOSTATIC MEANS RESPONSIVE TO THE TEMPERATURE OF AIR ENTERING SAID AIR CONDITIONER HOUSING FOR CAUSING OPERATION OF SAID COMPRESSOR AND FLOW OF REFRIGERANT THROUGH SAID AIR CONDITIONER EVAPORATOR WHEN SAID FIRST THERMOSTATIC MEANS HAS RESPONDED TO A DECREASE IN TEMPERATURE TO DIRECT REFRIGERANT TO SAID AIR CONDITIONER EVAPORATOR BRANCH.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |