Patent US3234388A successfully refreshed from Google Patents.
US3234388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive apparatus for measuring temperature
Assignee: General Electric Co
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Filing: 1962-06-22
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Granted: 1966-02-08
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Warner W Schultz
- 👤 Harvey D Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:19
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/02; G01K1/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A TEMPERATURE MEASURING APPARATUS COMPRISING A RADIOACTIVE SOURCE POSITIONED IN A REMOTE REGION WHEREIN THE TEMPERATURE IS TO BE MEASURED, A RADIATION SHIELD, SAID SOURCE BEING DISPOSED ENTIRELY WITHIN SAID SHIELD AT A PREDETERMINED LOW TEMPERATURE, A BIMETALLIC STRIP HAVING ONE END THEREOF OPERATIVELY COUPLED TO SAID SOURCE, SAID BIMIETALLIC STRIP BEING RESPONSIVE TO INCREASED TEMPERATURES FOR WITHDRAWING SAID SOURCE FROM SAID SHIELD, THE DEGREE OF WITHDRAWAL BEING A FUNCTION OF THE TEMPERATURE IN THE REMOTE REGION, SAID SOURCE UPON WITHDRAWAL THEREBY TRAMSNITTING RADIATION AS A FUNCTION OF THE TEMPERATURE, AND A RADIATION DETECTOR POSITIONED AT A PREDETERMINED DISTANCE FROM SAID SOURCE AND EXTERNAL TO THE REMOTE REGION FOR MEASURING THE TRANSMITTED RADIATION AND THEREBY DETERMINING THE TEMPERATURE IN THE REMOTE REGION.
Claim 2
Dependent Claim
122 words
A TEMPERATURE MEASURING APPARATUS COMPRISING A RADIOACTIVE SOURCE POSITIONED IN A REMOTE REGION WHEREIN THE TEMPERATURE IS TO BE MEASURED, A RADIATION SHIELD, SAID SOURCE BEING DISPOSED ENTIRELY WITHIN SAID SHIELD AT A PREDETERMINED LOW TEMPERATURE, A BIMETALLIC STRIP HAVING ONE END THEREOF OPERATIVELY COUPLED TO SAID SOURCE, SAID BIMIETALLIC STRIP BEING RESPONSIVE TO INCREASED TEMPERATURES FOR WITHDRAWING SAID SOURCE FROM SAID SHIELD, THE DEGREE OF WITHDRAWAL BEING A FUNCTION OF THE TEMPERATURE IN THE REMOTE REGION, SAID SOURCE UPON WITHDRAWAL THEREBY TRAMSNITTING RADIATION AS A FUNCTION OF THE TEMPERATURE, AND A RADIATION DETECTOR POSITIONED AT A PREDETERMINED DISTANCE FROM SAID SOURCE AND EXTERNAL TO THE REMOTE REGION FOR MEASURING THE TRANSMITTED RADIATION AND THEREBY DETERMINING THE TEMPERATURE IN THE REMOTE REGION.
References Cited (Backward Citations)
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US2714668A
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US2652497A
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US2745969A
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US2968720A
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US3024364A
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US3090862A
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |