US3225559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for maintaining different temperature ranges within compartments having a common refrigerating unit
Assignee: Sunroc Corp
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Filing: 1963-04-04
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Granted: 1965-12-28
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Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 Harry C Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:23
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/12; F25D23/126; F25D29/00; G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/2754
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN COMBINATION WITH A COMBINED WATER COLLER AND REFRIGERATOR HAVING A SINGLE REFRIGERANT CIRCUIT IN HEAT EXCHANGE RELATION WITH A FREEZER COMPARTMENT AND A STANDBY WATER SUPPLY, A CONTROL SYSTEM COMPRISING, WATER COOLING CONTROL MEANS RESPONSIVE EXCLUSIVELY TO INCREASE IN TEMPERATURE OF WATER IN SAID STANDBY WATER SUPPLY ABOVE A PREDETERMINED TEMPERATURE FOR RENDERING SAID REFRIGERANT CIRCUIT OPERATIVE TO SUBSTANTIALLY LOWER THE TEMPERATURE IN THE FREEZER COMPARTMENT TO A LOWER LIMIT BEFORE COOLING THE STANDBY WATER SUPPLY, HEATING MEANS OPERATIVELY MOUNTED ON SAID STANDBY WATER SUPPLY FOR DELIBERATE WARMING OF THE WATER THEREIN ABOVE SAID PREDETERMINED TEMPERATURE, AND FREEZE DEMAND MEANS OPERATIVELY CONNECTED TO SAID HEATING MEANS FOR ENERGIZATION THEREOF TO WARM THE WATER ONLY IN RESPONSE TO A RISE IN TEMPERATURE OF THE FREEZER COMPARTMENT ABOVE SAID LOWER LIMIT PRIOR TO SAID INCREASE IN TEMPERATURE OF THE WATER IN THE STANDBY WATER SUPPLY ABOVE THE PREDETERMINED TEMPERATURE.
Claim 2
Dependent Claim
148 words
IN COMBINATION WITH A COMBINED WATER COLLER AND REFRIGERATOR HAVING A SINGLE REFRIGERANT CIRCUIT IN HEAT EXCHANGE RELATION WITH A FREEZER COMPARTMENT AND A STANDBY WATER SUPPLY, A CONTROL SYSTEM COMPRISING, WATER COOLING CONTROL MEANS RESPONSIVE EXCLUSIVELY TO INCREASE IN TEMPERATURE OF WATER IN SAID STANDBY WATER SUPPLY ABOVE A PREDETERMINED TEMPERATURE FOR RENDERING SAID REFRIGERANT CIRCUIT OPERATIVE TO SUBSTANTIALLY LOWER THE TEMPERATURE IN THE FREEZER COMPARTMENT TO A LOWER LIMIT BEFORE COOLING THE STANDBY WATER SUPPLY, HEATING MEANS OPERATIVELY MOUNTED ON SAID STANDBY WATER SUPPLY FOR DELIBERATE WARMING OF THE WATER THEREIN ABOVE SAID PREDETERMINED TEMPERATURE, AND FREEZE DEMAND MEANS OPERATIVELY CONNECTED TO SAID HEATING MEANS FOR ENERGIZATION THEREOF TO WARM THE WATER ONLY IN RESPONSE TO A RISE IN TEMPERATURE OF THE FREEZER COMPARTMENT ABOVE SAID LOWER LIMIT PRIOR TO SAID INCREASE IN TEMPERATURE OF THE WATER IN THE STANDBY WATER SUPPLY ABOVE THE PREDETERMINED TEMPERATURE.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |