US3074410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control for therapeutic apparatus
Assignee: Gorman Rupp Industries Inc
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Filing: 1961-01-23
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Granted: 1963-01-22
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:30
CPC Classifications
A; A61; A61F; A61F7/00; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1927; G05D23/193; G05D23/1931; G05D23/20; G05D23/24; A61F2007/0054; A61F2007/0086; A61F7/0097
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN THERAPEUTIC APPARATUS FOR MAINTAINING THE TEMPERATURE OF A PATIENT WITHIN A PREDETERMINED RANGE OF TEMPERATURE AND IN WHICH THERE IS PROVIDED A PAD FOR CONTACTING THE PATIENT''S BODY, MEANS FOR CIRCULATING A HEAT EXCHANGE FLUID THROUGH THE PAD, A HEATER FOR SUPPLYING THERMAL ENERGY TO THE FLUID AND AN ELECTRICAL CIRCUIT FOR ENERGIZING THE HEATER, AND A COOLER FOR REMOVING THERMAL ENERGY FROM THE FLUID AND AN ELECTRICAL CIRCUIT FOR CONTROLLING THE COOLER, THAT COMBINATION WHICH COMPRISES A FIRST MEANS FOR SENSING THE TEMPERATURE OF THE PATIENT, A SECOND MEANS FOR SENSING THE TEMPERATURE OF THE FLUID, ELECTRICAL BRIDGE MEANS HAVING THE SAID FIRST SENSING MEANS CONNECTED AS ONE ARM THEREOF AND BALANCED AT A DESIRED NORMAL TEMPERATURE OF THE PATIENT, MEANS RESPONSIVE TO THE OUTPUT OF THE SAID BRIDGE FOR SELECTIVELY ACTIVATING THE COOLER MEANS WHEN THE PATIENT TEMPERATURE IS HIGHER THAN THE NORMAL TEMPERATURE AND FOR ACTIVATING THE HEATER CIRCUIT WHEN THE PATIENT TEMPERATURE IS LOWER THAN THE NORMAL TEMPERATURE, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID BRIDGE AND TO THE SAID SECOND SENSING MEANS FOR SE-
Claim 2
Dependent Claim
181 words
IN THERAPEUTIC APPARATUS FOR MAINTAINING THE TEMPERATURE OF A PATIENT WITHIN A PREDETERMINED RANGE OF TEMPERATURE AND IN WHICH THERE IS PROVIDED A PAD FOR CONTACTING THE PATIENT''S BODY, MEANS FOR CIRCULATING A HEAT EXCHANGE FLUID THROUGH THE PAD, A HEATER FOR SUPPLYING THERMAL ENERGY TO THE FLUID AND AN ELECTRICAL CIRCUIT FOR ENERGIZING THE HEATER, AND A COOLER FOR REMOVING THERMAL ENERGY FROM THE FLUID AND AN ELECTRICAL CIRCUIT FOR CONTROLLING THE COOLER, THAT COMBINATION WHICH COMPRISES A FIRST MEANS FOR SENSING THE TEMPERATURE OF THE PATIENT, A SECOND MEANS FOR SENSING THE TEMPERATURE OF THE FLUID, ELECTRICAL BRIDGE MEANS HAVING THE SAID FIRST SENSING MEANS CONNECTED AS ONE ARM THEREOF AND BALANCED AT A DESIRED NORMAL TEMPERATURE OF THE PATIENT, MEANS RESPONSIVE TO THE OUTPUT OF THE SAID BRIDGE FOR SELECTIVELY ACTIVATING THE COOLER MEANS WHEN THE PATIENT TEMPERATURE IS HIGHER THAN THE NORMAL TEMPERATURE AND FOR ACTIVATING THE HEATER CIRCUIT WHEN THE PATIENT TEMPERATURE IS LOWER THAN THE NORMAL TEMPERATURE, AND MEANS RESPONSIVE TO THE OUTPUT OF SAID BRIDGE AND TO THE SAID SECOND SENSING MEANS FOR SE-
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |