Patent US3100019A successfully refreshed from Google Patents.
US3100019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bottom hole orientation
Assignee: Individual
•
Filing: 1960-08-22
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Granted: 1963-08-06
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Expires: 1980-08-22
Abstract
No abstract record available.
Inventors
- 👤 Donald E Tims
- 👤 Morris E Shrader
- 👤 Herman G Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:55
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/02; E21B47/024
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
APPARATUS FOR ORIENTING A DEVICE IN A WELL BORE INCLUDING, (A) A BODY OF NONMAGNETIC MATERIAL FOR LOWERING INTO THE WELL BORE, (B) THERE BEING A LONGITUDINAL BORE THERETHROUGH FOR CIRCULATING THROUGH SAID BODY, (C) THERE BEING A VOID IN SAID BODY, (D) A MAGNETIC ASSEMBLY FOR FLOATING ON A LIQUID IN SAID VOID, SAID ASSEMBLY INCLUDING, (1) MEANS MOVABLY POSITIONED THEREON FOR INDICATING ON SAID ASSEMBLY THE DIRECTION IN WHICH THE DEVICE IS TO BE ORIENTED, (E) MEANS IN SAID BODY FOR INDICATING THE INITIAL DIRECTION IN WHICH THE DEVICE IS ORIENTED WHEN IT IS LOWERED INTO THE WELL BORE, (F) AND MEANS FOR CREATING A SIGNAL WHEN SAID BODY IS ROTATED TO ALIGN SAID MEANS INDICATING THE INITIAL
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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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |