US3377862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic clinical thermometer
Assignee: HI G Inc
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Filing: 1966-03-04
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Granted: 1968-04-16
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Expires: 1986-03-04
Abstract
No abstract record available.
Inventors
- 👤 Gheorghiu Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:38
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN ELECTRONIC THERMOMETER COMPRISING: (A) A BRIDGE CIRCUIT HAVING FOUR RESISTIVE LEGS AND DIAGONALLY OPPOSED INPUT AND OUTPUT TERMINALS, (B) A D.C. POWER SOURCE, (C) MEANS CONNECTING THE POWER SOURCE ACROSS THE BRIDGE INPUT TERMINALS INCLUDING THE SERIES COMBINATION OF AN ON-OFF SWITCH AND A FIRST POTENTIOMETER GANGED FOR OPERATION BY A SINGLE CONTROL DEVICE, (D) READOUT MEANS CONNECTED ACROSS THE BRIDGE OUTPUT TERMINALS, (E) RECEPTACLE MEANS CONNECTED ACROSS ONE OF THE BRIDGE LEGS INCLUDING MOVABLE CONTACT MEANS ARRANGED TO NORMALLY COMPLETE THE BRIDGE CIRCUIT THROUGH THE RESISTANCE OF SAID ONE LEG, AND (F) A PROBE ASSEMBLY INCLUDING A PLUG MEANS ADAPTED TO COOPERATE WITH THE RECEPTACLE MEANS, A THERMISTOR AND A CABLE CONNECTING THE PLUG MEANS AND THE THERMISTOR, WHEREBY WHEN THE PLUG MEANS IS INSERTED INTO THE RECEPTACLE MEANS THE MOVABLE CONTACT MEANS OPENS THE CIRCUIT PATH THROUGH THE RESISTANCE OF SAID ONE LEG AND THE THERMISTOR IS SUBSTITUTED THEREFOR.
Claim 2
Dependent Claim
152 words
AN ELECTRONIC THERMOMETER COMPRISING: (A) A BRIDGE CIRCUIT HAVING FOUR RESISTIVE LEGS AND DIAGONALLY OPPOSED INPUT AND OUTPUT TERMINALS, (B) A D.C. POWER SOURCE, (C) MEANS CONNECTING THE POWER SOURCE ACROSS THE BRIDGE INPUT TERMINALS INCLUDING THE SERIES COMBINATION OF AN ON-OFF SWITCH AND A FIRST POTENTIOMETER GANGED FOR OPERATION BY A SINGLE CONTROL DEVICE, (D) READOUT MEANS CONNECTED ACROSS THE BRIDGE OUTPUT TERMINALS, (E) RECEPTACLE MEANS CONNECTED ACROSS ONE OF THE BRIDGE LEGS INCLUDING MOVABLE CONTACT MEANS ARRANGED TO NORMALLY COMPLETE THE BRIDGE CIRCUIT THROUGH THE RESISTANCE OF SAID ONE LEG, AND (F) A PROBE ASSEMBLY INCLUDING A PLUG MEANS ADAPTED TO COOPERATE WITH THE RECEPTACLE MEANS, A THERMISTOR AND A CABLE CONNECTING THE PLUG MEANS AND THE THERMISTOR, WHEREBY WHEN THE PLUG MEANS IS INSERTED INTO THE RECEPTACLE MEANS THE MOVABLE CONTACT MEANS OPENS THE CIRCUIT PATH THROUGH THE RESISTANCE OF SAID ONE LEG AND THE THERMISTOR IS SUBSTITUTED THEREFOR.
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |