Patent US3142139A successfully refreshed from Google Patents.
US3142139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill collar facing tool
Assignee: Individual
•
Filing: 1962-11-16
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Granted: 1964-07-28
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Joe T Mangum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:31
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/08; B24B15/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304424; Y10T409/306216; Y10T409/306384
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A FACING TOOL FOR WORKING MATING ANNULAR SURFACES OF DRILL COLLARS, TOOL JOINTS AND THE LIKE COMPRISING A SUPPORT BODY HAVING A SHAFT BEARING THEREIN, MOUNTING MEANS FOR THREADEDLY ATTACHING SAID BODY TO A JOINT SECTION IN FIXED RIGID POSITION THEREON, A SHAFT ROTATABLY JOURNALED IN SAID BEARING AND FREELY MOVABLE INTO A JOINT SECTION TO WHICH SAID BODY IS ATTACHED, A CUTTING HEAD FIXEDLY SECURED TO SAID SHAFT FOR ROTATION THEREWITH, A CUTTING ELEMENT SECURED TO SAID HEAD AND OF SUCH SIZE AS TO COOPERATIVELY ENGAGE WITH THE ANNULAR MATING SURFACE OF AN ASSOCIATED TOOL JOINT FOR DRESSING SAID SURFACE, MEANS FOR ROTATING SAID SHAFT, A STOP MEANS COOPERATING WITH SAID CUTTING ELEMENT AND BODY AND LIMITING MOVEMENT OF SAID CUTTING ELEMENT TOWARD SAID ANNULAR SURFACE.
Claim 2
Dependent Claim
127 words
A FACING TOOL FOR WORKING MATING ANNULAR SURFACES OF DRILL COLLARS, TOOL JOINTS AND THE LIKE COMPRISING A SUPPORT BODY HAVING A SHAFT BEARING THEREIN, MOUNTING MEANS FOR THREADEDLY ATTACHING SAID BODY TO A JOINT SECTION IN FIXED RIGID POSITION THEREON, A SHAFT ROTATABLY JOURNALED IN SAID BEARING AND FREELY MOVABLE INTO A JOINT SECTION TO WHICH SAID BODY IS ATTACHED, A CUTTING HEAD FIXEDLY SECURED TO SAID SHAFT FOR ROTATION THEREWITH, A CUTTING ELEMENT SECURED TO SAID HEAD AND OF SUCH SIZE AS TO COOPERATIVELY ENGAGE WITH THE ANNULAR MATING SURFACE OF AN ASSOCIATED TOOL JOINT FOR DRESSING SAID SURFACE, MEANS FOR ROTATING SAID SHAFT, A STOP MEANS COOPERATING WITH SAID CUTTING ELEMENT AND BODY AND LIMITING MOVEMENT OF SAID CUTTING ELEMENT TOWARD SAID ANNULAR SURFACE.
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |