US3324749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool joint refacer
Assignee: HYCALOG Canada Ltd
•
Filing: 1965-01-18
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Granted: 1967-06-13
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Guyon Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:34
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B5/161; B23B5/162; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
APPRATUS FOR REFACING THE ENDS OF TOOL JOINTS COMPRISING: AN ENGAGING PORTION ADAPTED FOR THREADED CO-AXIAL ENGAGEMENT WITH A TOOL JOINT; A REFACING PORTION MOUNTED CO-AXIALLY ON THE ENGAGING PORTION AND HAVING A CUTTING TOOL MOUNTED THEREON ADAPTED TO BE MOVED RADIALLY WITH RESPECT TO THE REFACING PORTION; MEANS TO MOVE THE REFACING PORTION TO ENGAGE AND DISENGAGE THE CUTTING TOOL WITH THE END OF THE TOOL JOINT; MEANS TO ROTATE THE REFACING PORTION; AND
Claim 2
Dependent Claim
75 words
APPRATUS FOR REFACING THE ENDS OF TOOL JOINTS COMPRISING: AN ENGAGING PORTION ADAPTED FOR THREADED CO-AXIAL ENGAGEMENT WITH A TOOL JOINT; A REFACING PORTION MOUNTED CO-AXIALLY ON THE ENGAGING PORTION AND HAVING A CUTTING TOOL MOUNTED THEREON ADAPTED TO BE MOVED RADIALLY WITH RESPECT TO THE REFACING PORTION; MEANS TO MOVE THE REFACING PORTION TO ENGAGE AND DISENGAGE THE CUTTING TOOL WITH THE END OF THE TOOL JOINT; MEANS TO ROTATE THE REFACING PORTION; AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |