US3371741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geophysical exploration instrument support
Assignee: RONALD L HAXBY
•
Filing: 1966-10-05
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Granted: 1968-03-05
•
Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Haxby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:52
CPC Classifications
G; G01; G01V; G01V11/00; G01V11/002; G01V11/005; E; E21; E21B; E21B17/00; E21B17/10; E21B17/1014; E21B17/1021; E21B23/00; E21B23/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A POSITIONING FRAME FOR SUPPORTING GEOPHYSICAL EXPLORATION INSTRUMENTS AND THE LIKE IN A BORE HOLE COMPRISING A MANDREL ADAPTED TO BE SUPPORTED FROM ABOVE GROUND, A RAIDALLY EXPANSIBLE AHCHOR MEANS CARRIED BY SAID MANDREL, SAID ANCHOR MEANS INCLUDING A PLURALITY OF ARTICULATED ANCHOR ARMS, MEANS PIVOTALLY SECURING ONE END OF EACH ARTICULATED ANCHOR ARM TO SAID MANDREL, COLLAR MEANS CARRIED BY SAID MANDREL FOR PIVOTALLY AND SLIDABLY SECURING THE OTHER END OF EACH OF SAID ARMS TO SAID MANDREL WHEREBY LONGITUDINAL SLIDING MOVEMENT OF SAID COLLAR MEANS ALONG SAID MANDREL RADIALLY EXPANDS AND CONTRACTS SAID ANCHOR MEANS INTO AND OUT OF STABILIZING CONTACT WITH THE BORE HOLE WALL, AND ANCHOR ARM ACTUATING MEANS SLIDABLY CARRIED BY SAID MANDREL AND ADAPTED TO BE OPERATED FROM ABOVE GROUND TO SELECTIVELY EXPAND OR CONTRACT SAID RADIALLY EXPANSIBLE ANCHOR MEANS.
Claim 2
Dependent Claim
136 words
A POSITIONING FRAME FOR SUPPORTING GEOPHYSICAL EXPLORATION INSTRUMENTS AND THE LIKE IN A BORE HOLE COMPRISING A MANDREL ADAPTED TO BE SUPPORTED FROM ABOVE GROUND, A RAIDALLY EXPANSIBLE AHCHOR MEANS CARRIED BY SAID MANDREL, SAID ANCHOR MEANS INCLUDING A PLURALITY OF ARTICULATED ANCHOR ARMS, MEANS PIVOTALLY SECURING ONE END OF EACH ARTICULATED ANCHOR ARM TO SAID MANDREL, COLLAR MEANS CARRIED BY SAID MANDREL FOR PIVOTALLY AND SLIDABLY SECURING THE OTHER END OF EACH OF SAID ARMS TO SAID MANDREL WHEREBY LONGITUDINAL SLIDING MOVEMENT OF SAID COLLAR MEANS ALONG SAID MANDREL RADIALLY EXPANDS AND CONTRACTS SAID ANCHOR MEANS INTO AND OUT OF STABILIZING CONTACT WITH THE BORE HOLE WALL, AND ANCHOR ARM ACTUATING MEANS SLIDABLY CARRIED BY SAID MANDREL AND ADAPTED TO BE OPERATED FROM ABOVE GROUND TO SELECTIVELY EXPAND OR CONTRACT SAID RADIALLY EXPANSIBLE ANCHOR MEANS.
References Cited (Backward Citations)
DE502546C
Cited
US1875583A
Cited
US2428168A
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FR1169871A
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US3231041A
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US3323612A
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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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |