Patent US3012145A successfully refreshed from Google Patents.
US3012145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactivity borehole logging
Assignee: Gulf Research and Development Co
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Filing: 1958-12-24
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Granted: 1961-12-05
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Expires: 1978-12-24
Abstract
No abstract record available.
Inventors
- 👤 Wright E Erion
- 👤 William E Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:40
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
BOREHOLE LOGGING APPASRATUS COMPRISING A PROBE HOUSING, MEANS FOR MOVING THE PROBE HOUSING ALONG A BOREHOLE AT A CONSTANT VELOCITY, A RADIATION SOURCE COMPONENT AND A RADIATION DETECTOR COMPONENT IN THE PROBE HOUSING ONE OF SAID COMPONENTS BEING SECURED AGAINST VERTICAL MOVEMENT IN THE HOUSING, WITH THE OTHER COMPONENT BEING VERTICALLY MOVABLE IN THE PROBE HOUSING,
Claim 2
Dependent Claim
56 words
BOREHOLE LOGGING APPASRATUS COMPRISING A PROBE HOUSING, MEANS FOR MOVING THE PROBE HOUSING ALONG A BOREHOLE AT A CONSTANT VELOCITY, A RADIATION SOURCE COMPONENT AND A RADIATION DETECTOR COMPONENT IN THE PROBE HOUSING ONE OF SAID COMPONENTS BEING SECURED AGAINST VERTICAL MOVEMENT IN THE HOUSING, WITH THE OTHER COMPONENT BEING VERTICALLY MOVABLE IN THE PROBE HOUSING,
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |