US3329022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature measurement by sublimation of layers of radioactive material
Assignee: Emerson Electric Co
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Filing: 1963-11-04
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Granted: 1967-07-04
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Feldman Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:20
CPC Classifications
G; G21; G21H; G21H5/00; G21H5/02; G01; G01K; G01K3/00; G01K3/02; G01K3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF MEASURING SURFACE TEMPERATURE OF A HEAT SHIELD COMPRISING FORMING A PLUG CONTAINIGN A PLURALITY OF TEMPERATURE-CRITICAL ABLATES, SAID ABLATES BEING RADIOACTIVE AND HAVING DISTINCTLY DIFFERENT ENERGY LEVELS, INCORPORATING SAID PLUG IN A HEAT SHIELD, EXPOSING SAID PLUG AND HEAT SHIELD TO AN UNKNOWN TEMPERATURE ABOVE THE TEMPERATURE OF ABRATION OF THE ABLATE HAVING THE LOWEST TEMPERATURE OF ABLATION, AND MEASURING THE COUNTING RATE OF RADIATION FROM THE VARIOUS ABLATES OVER KNOWN INCREMENTS OF TIME DURING A PERIOD IN WHICH THE SAID PLUG IS EXPOSED TO SAID TEMPERATURE, A DECREASE IN THE CORRECTED COUNTING RATE FOR A PARTICULAR ABLATE SIGNALLING THE REACHING OF ITS TEMPERATURE OF ABLATION BY A PORTION OF SAID PLUG.
Claim 2
Independent Claim
115 words
A METHOD OF MEASURING SURFACE TEMPERATURE OF A HEAT SHIELD COMPRISING FORMING A PLUG CONTAINIGN A PLURALITY OF TEMPERATURE-CRITICAL ABLATES, SAID ABLATES BEING RADIOACTIVE AND HAVING DISTINCTLY DIFFERENT ENERGY LEVELS, INCORPORATING SAID PLUG IN A HEAT SHIELD, EXPOSING SAID PLUG AND HEAT SHIELD TO AN UNKNOWN TEMPERATURE ABOVE THE TEMPERATURE OF ABRATION OF THE ABLATE HAVING THE LOWEST TEMPERATURE OF ABLATION, AND MEASURING THE COUNTING RATE OF RADIATION FROM THE VARIOUS ABLATES OVER KNOWN INCREMENTS OF TIME DURING A PERIOD IN WHICH THE SAID PLUG IS EXPOSED TO SAID TEMPERATURE, A DECREASE IN THE CORRECTED COUNTING RATE FOR A PARTICULAR ABLATE SIGNALLING THE REACHING OF ITS TEMPERATURE OF ABLATION BY A PORTION OF SAID PLUG.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |