Patent US3113087A successfully refreshed from Google Patents.
US3113087A
Expired / Lapsed
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Methods and apparatus for the investigation of materials by radiation
Assignee: Schlumberger Well Surveying Corp
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Filing: 1957-07-24
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Granted: 1963-12-03
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Expires: 1977-07-24
Abstract
No abstract record available.
Inventors
- 👤 Robert S Codrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:58
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR INVESTIGATING THE CHEMICAL PROPERTIES OF A SUBSTANCE IN AN INACCESSIBLE LOCATION TO DETERMINE THE PRESENCE OF A PARTICULAR CONSITUENT, COMPRISING THE COMBINATION OF RADIATION SOURCE MEANS ADAPTED TO IRRADIATE THE SUBSTANCE WHILE IN SAID INACCESSIBLE LOCATION, SHIELDING MEANS OPERABLE IN CONJUNCTION WITH SAID SOURCE MEANS FOR PREVENTING THE IRRADIATION OF SAID SUBSTANCE IN SAID INACCESSIBLE LOCATION BY SAID SOURCE MEANS, MAGNETIC RESONANCE MEANS FOR DETECTING THE PRESENCE OF FREE RADICALS IN SAID SUBSTANCE IN SAID INACCESSIBLE LOCATION MODULATING MEANS OPERATING IN SYNCHRONISM WITH SAID MAGNETIC RESONANCE DETECTING MEANS FOR CAUSING SAID RADIATION SOURCE MEANS TO IRRADIATE SAID SUBSTANCE DURING AT LEAST A PORTION OF A RECURRENT TIME CYCLE AND FOR SHIELDING SAID SOURCE OF RADIAITON DURING OTHER SUCCESSIVE INTERMEDIATE PORTIONS OF SAID RECURRENT TIME CYCLE, SAID SUCCESSIVE INTERMEDIATE PORTIONS OF SAID TIME CYCLE BEING A FUNCTION OF THE LIFE-TIME OF SAID FREE RADICALS OF SAID PARTICULAR ORGANIC CONSTITUENT.
Claim 2
Dependent Claim
150 words
APPARATUS FOR INVESTIGATING THE CHEMICAL PROPERTIES OF A SUBSTANCE IN AN INACCESSIBLE LOCATION TO DETERMINE THE PRESENCE OF A PARTICULAR CONSITUENT, COMPRISING THE COMBINATION OF RADIATION SOURCE MEANS ADAPTED TO IRRADIATE THE SUBSTANCE WHILE IN SAID INACCESSIBLE LOCATION, SHIELDING MEANS OPERABLE IN CONJUNCTION WITH SAID SOURCE MEANS FOR PREVENTING THE IRRADIATION OF SAID SUBSTANCE IN SAID INACCESSIBLE LOCATION BY SAID SOURCE MEANS, MAGNETIC RESONANCE MEANS FOR DETECTING THE PRESENCE OF FREE RADICALS IN SAID SUBSTANCE IN SAID INACCESSIBLE LOCATION MODULATING MEANS OPERATING IN SYNCHRONISM WITH SAID MAGNETIC RESONANCE DETECTING MEANS FOR CAUSING SAID RADIATION SOURCE MEANS TO IRRADIATE SAID SUBSTANCE DURING AT LEAST A PORTION OF A RECURRENT TIME CYCLE AND FOR SHIELDING SAID SOURCE OF RADIAITON DURING OTHER SUCCESSIVE INTERMEDIATE PORTIONS OF SAID RECURRENT TIME CYCLE, SAID SUCCESSIVE INTERMEDIATE PORTIONS OF SAID TIME CYCLE BEING A FUNCTION OF THE LIFE-TIME OF SAID FREE RADICALS OF SAID PARTICULAR ORGANIC CONSTITUENT.
References Cited (Backward Citations)
US2712081A
Cited
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GB724441A
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US2921006A
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US2770771A
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US2976422A
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US2755430A
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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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |