Patent US3158741A successfully refreshed from Google Patents.
US3158741A
Expired / Lapsed
US
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Uranium ore detection
Assignee: Union Carbide Corp
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Filing: 1961-06-26
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Granted: 1964-11-24
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 John E Skvarla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:33
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/24; G01T; G01T7/00; G01T7/02; G01V; G01V5/00; G01V5/04; G01V5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A METHOD FOR THE LOCATION OF URANIUM-ORE DEPOSITS COMPRISING DRILLING A HOLE INTO THE SUBSTRATA REGION TO BE PROBED, EVACUATING A QUANTITY OF GAS FROM THE SUBSTRATA REGION WHILE PREVENTING DILUTION OF SUCH GAS BY ATMOSPHERIC AIR BY SEALING THE HOLE AT A POINT BETWEEN THE REGION BEING EVACUATED AND THE OPEN END OF THE HOLE, PASSING THE COLLECTED GAS THROUGH A RADON ADSORBER TO COLLECT RADON PRESENT IN THE GAS, AND THEREAFTER MEASURING THE QUANTITY OF RADON ADSORBED BY RADIOMETRIC MEANS FOR DETERMINING THE GAMMA RAY ACTIVITY TO PROVIDE A MEASURE OF THE AMOUNT OF URANIUM PRODUCING THE RADON.
Claim 2
Independent Claim
100 words
A METHOD FOR THE LOCATION OF URANIUM-ORE DEPOSITS COMPRISING DRILLING A HOLE INTO THE SUBSTRATA REGION TO BE PROBED, EVACUATING A QUANTITY OF GAS FROM THE SUBSTRATA REGION WHILE PREVENTING DILUTION OF SUCH GAS BY ATMOSPHERIC AIR BY SEALING THE HOLE AT A POINT BETWEEN THE REGION BEING EVACUATED AND THE OPEN END OF THE HOLE, PASSING THE COLLECTED GAS THROUGH A RADON ADSORBER TO COLLECT RADON PRESENT IN THE GAS, AND THEREAFTER MEASURING THE QUANTITY OF RADON ADSORBED BY RADIOMETRIC MEANS FOR DETERMINING THE GAMMA RAY ACTIVITY TO PROVIDE A MEASURE OF THE AMOUNT OF URANIUM PRODUCING THE RADON.
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |