Patent US3196959A successfully refreshed from Google Patents.
US3196959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional drilling apparatus
Assignee: Individual
•
Filing: 1961-08-14
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Granted: 1965-07-27
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Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 Archer W Kammerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:58
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/04; E21B7/06; E21B7/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN DIRECTIONAL DRILLING APPARATUS: A TUBULAR MEMBER ADAPTED TO BE INCORPORATED IN A DRILLING STRING TO BE DISPOSED IN A BORE HOLE; AN UPPER SLEEVE ROTATABLE ON SAID MEMBER; A LOWER SLEEVE ROTATABLE ON SAID MEMBER; SAID SLEEVES BEING MOVABLE AXIALLY RELATIVE TO EACH OTHER; A LINK CONNECTED TO SAID LOWER SLEEVE; A LINK CONNECTED TO SAID UPPER SLEEVE; A LOST-MOTION CONNECTION CONNECTING SAID LINKS TO EACH OTHER; CLUTCH MEANS CONNECTING ONE OF SAID SLEEVES TO SAID TUBULAR MEMBER; AND MEANS FOR SHIFTING SAID ONE SLEEVE TOWARD SAID OTHER SLEEVE AND ALONG SAID TUBULAR MEMBER TO DISENGAGE SAID CLUTCH MEANS AND SHIFT SAID LINKS TOWARD THE WALL OF THE BORE HOLE TO ENGAGE AT LEAST ONE OF SAID LINKS WITH THE BORE HOLE AND OFFSET THE TUBULAR MEMBER RELATIVE TO THE AXIS OF THE BORE HOLE.
Claim 2
Dependent Claim
136 words
IN DIRECTIONAL DRILLING APPARATUS: A TUBULAR MEMBER ADAPTED TO BE INCORPORATED IN A DRILLING STRING TO BE DISPOSED IN A BORE HOLE; AN UPPER SLEEVE ROTATABLE ON SAID MEMBER; A LOWER SLEEVE ROTATABLE ON SAID MEMBER; SAID SLEEVES BEING MOVABLE AXIALLY RELATIVE TO EACH OTHER; A LINK CONNECTED TO SAID LOWER SLEEVE; A LINK CONNECTED TO SAID UPPER SLEEVE; A LOST-MOTION CONNECTION CONNECTING SAID LINKS TO EACH OTHER; CLUTCH MEANS CONNECTING ONE OF SAID SLEEVES TO SAID TUBULAR MEMBER; AND MEANS FOR SHIFTING SAID ONE SLEEVE TOWARD SAID OTHER SLEEVE AND ALONG SAID TUBULAR MEMBER TO DISENGAGE SAID CLUTCH MEANS AND SHIFT SAID LINKS TOWARD THE WALL OF THE BORE HOLE TO ENGAGE AT LEAST ONE OF SAID LINKS WITH THE BORE HOLE AND OFFSET THE TUBULAR MEMBER RELATIVE TO THE AXIS OF THE BORE HOLE.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |