Patent US3153847A successfully refreshed from Google Patents.
US3153847A
Expired / Lapsed
US
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Method of making heat sensors
Assignee: Individual
•
Filing: 1963-08-02
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Granted: 1964-10-27
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Lindberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:08
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/32; G01K5/46; G01K5/465; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49007; Y10T29/49105; Y10T29/49808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF MAKING A HEAT SENSOR, COMPRISING THE STEPS OF: INSERTING A MATERIAL THAT READILY AND REVERSIBLY FORMS HYDRIDES BY INGASSING AND OUTGASSING INTO A TUBE OF A SUBSTANCE THAT DOES NOT READILY FORM HYDRIDES, WHILE PROVIDING FREE PASSAGE FOR GAS IN CONTACT WITH SAID MATERIAL, EVACUATING SAID TUBE TO WITHDRAW SUBSTANTIALL ALL ATMOSPHERIC GASES THEREFROM, THEN FORCING HYDROGEN AT HIGH PRESSURE INTO SAID TUBE AND MAINTAINING SAID HYDROGEN THERE UNDER PRESSURE WHILE REDUCING THE TEMPERATURE TO SAID TUBE FROM A HIGH TEMPERATURE TO A LOW TEMPERATURE TO CAUSE SAID MINERAL TO INGAS SAID HYDROGEN, THEN WITHDRAWING SOME OF SAID HYDROGEN FROM SAID TUBE; AND SEALING OFF THE TUBE INTERIOR FROM THE ATMOSPHER.
Claim 2
Independent Claim
114 words
A METHOD OF MAKING A HEAT SENSOR, COMPRISING THE STEPS OF: INSERTING A MATERIAL THAT READILY AND REVERSIBLY FORMS HYDRIDES BY INGASSING AND OUTGASSING INTO A TUBE OF A SUBSTANCE THAT DOES NOT READILY FORM HYDRIDES, WHILE PROVIDING FREE PASSAGE FOR GAS IN CONTACT WITH SAID MATERIAL, EVACUATING SAID TUBE TO WITHDRAW SUBSTANTIALL ALL ATMOSPHERIC GASES THEREFROM, THEN FORCING HYDROGEN AT HIGH PRESSURE INTO SAID TUBE AND MAINTAINING SAID HYDROGEN THERE UNDER PRESSURE WHILE REDUCING THE TEMPERATURE TO SAID TUBE FROM A HIGH TEMPERATURE TO A LOW TEMPERATURE TO CAUSE SAID MINERAL TO INGAS SAID HYDROGEN, THEN WITHDRAWING SOME OF SAID HYDROGEN FROM SAID TUBE; AND SEALING OFF THE TUBE INTERIOR FROM THE ATMOSPHER.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |