US3304597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facing tool
Assignee: Individual
•
Filing: 1964-08-05
•
Granted: 1967-02-21
•
Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 Kezran Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B5/167; B23B5/168; B23C; B23C5/00; B23B2260/00; B23B2260/022; Y; Y10; Y10T; Y10T408/00; Y10T408/86; Y10T408/88; Y10T408/89; Y10T408/892; Y10T408/8923; Y10T408/899; Y10T408/905; Y10T408/906; Y10T408/9065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A FACING TOOL FOR PIPES AND TUBES COMPRISING A HEAD ADAPTED TO BE SUPPORTED FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, THREE RADIAL CHANNELS FORMED IN SAID HEAD, A CUTTER HOLDER MOUNTED IN EACH OF SAID CHANNELS, MEANS ADJUSTABLY SECURING SAID CUTTER HOLDERS IN PREDETERMINED RADIAL POSITIONS, A CUTTER SECURED TO EACH OF SAID CUTTER HOLDERS, TWO OF SAID CUTTERS BEING SECURED SO AS TO PRESENT CUTTING EDGES INCLINED TO THE LONGITUDINAL AXIS AND A THIRD OF SAID CUTTERS BEING SECURED SO AS TO PRESENT A CUTTING EDGE IN RIGHT ANGULAR RELATION TO THE LONGITUDINAL AXIS WHEREBY CHAMFERS CAN BE FORMED SIMULTANEOUSLY ON THE INSIDE AND OUTSIDE DIAMETERS OF A PIPE AT THE SAME TIME A PLANAR END FACE IS FORMED ON THE PIPE, AND A PILOT MEMBER GUIDINGLY RECEIVABLE WITHIN A PIPE END TO BE FACED, SAID PILOT MEMBER INCLUDING A HEAD HAVING A PLURALITY OF BEARINGS ROTATABLY SUPPORTED AT ITS PERIPHERAL SURFACE FOR ROLLING CONTACT WITH THE INSIDE OF A PIPE.
Claim 2
Dependent Claim
162 words
A FACING TOOL FOR PIPES AND TUBES COMPRISING A HEAD ADAPTED TO BE SUPPORTED FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, THREE RADIAL CHANNELS FORMED IN SAID HEAD, A CUTTER HOLDER MOUNTED IN EACH OF SAID CHANNELS, MEANS ADJUSTABLY SECURING SAID CUTTER HOLDERS IN PREDETERMINED RADIAL POSITIONS, A CUTTER SECURED TO EACH OF SAID CUTTER HOLDERS, TWO OF SAID CUTTERS BEING SECURED SO AS TO PRESENT CUTTING EDGES INCLINED TO THE LONGITUDINAL AXIS AND A THIRD OF SAID CUTTERS BEING SECURED SO AS TO PRESENT A CUTTING EDGE IN RIGHT ANGULAR RELATION TO THE LONGITUDINAL AXIS WHEREBY CHAMFERS CAN BE FORMED SIMULTANEOUSLY ON THE INSIDE AND OUTSIDE DIAMETERS OF A PIPE AT THE SAME TIME A PLANAR END FACE IS FORMED ON THE PIPE, AND A PILOT MEMBER GUIDINGLY RECEIVABLE WITHIN A PIPE END TO BE FACED, SAID PILOT MEMBER INCLUDING A HEAD HAVING A PLURALITY OF BEARINGS ROTATABLY SUPPORTED AT ITS PERIPHERAL SURFACE FOR ROLLING CONTACT WITH THE INSIDE OF A PIPE.
References Cited (Backward Citations)
US2416774A
Cited
US2559950A
Cited
US2630725A
Cited
US2867031A
Cited
US3033062A
Cited
US3122818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |