Patent US3120143A successfully refreshed from Google Patents.
US3120143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube notching machine
Assignee: Individual
•
Filing: 1961-02-20
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Granted: 1964-02-04
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Kreider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:14
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/02; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/04; Y10T83/0596; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/75; Y10T83/869; Y10T83/8773; Y10T83/929; Y10T83/9411; Y10T83/9442; Y10T83/9444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN APPARATUS FOR NOTCHING A PIPE, COMPRISING: HOLDING STRUCTURE FOR SNUGLY EMBRACING AND GRIPPING A PORTION OF THE EXTERIOR OF SAID PIPE IN THE REGION WHERE THE NOTCH IS TO BE MADE; A SUBSTANTIALLY TUBULAR CUTTING TOOL HAVING A SUBSTANTIALLY V-SHAPED, CUTTING EDGE ON ONE AXIAL END THEREOF, SAID CUTTING EDGE BEING DEFINED BY A PAIR OF EDGE PORTIONS CONVERGING AWAY FROM SAID TOOL TO FORM A SHARPENED POINT AT SAID ONE, AXIAL END OF SAID TOOL, SAID CUTTING EDGE BEING ADJACENT TO, AND EXTENDING A SUBSTANTIAL DISTANCE AROUND, THE PERIPHERAL SURFACE OF SAID TOOL; GUIDE MEANS ON SAID HOLDING STRUCTURE FOR SLIDABLY AND SNUGLY RECEIVING SAID TUBULAR TOOL AND GUIDING THE CUTTING EDGE THEREOF INTO ENGAGEMENT WITH AND THROUGH A PIPE HELD BY SAID STRUCTURE, SAID GUIDE MEANS BEING POSITIONED WITH RESPECT TO THE CUTTING TOOL AND THE PIPE SO THAT THE SHARPENED POINT OF THE V-SHAPED CUTTING EDGE OF THE TOOL ENGAGES THE PIPE; AND MEANS FOR EFFECTING AN AXIAL MOVEMENT OF SAID TOOL WITH RESPECT TO SAID HOLDING STRUCTURE ALONG SAID GUIDE MEANS.
Claim 2
Independent Claim
176 words
AN APPARATUS FOR NOTCHING A PIPE, COMPRISING: HOLDING STRUCTURE FOR SNUGLY EMBRACING AND GRIPPING A PORTION OF THE EXTERIOR OF SAID PIPE IN THE REGION WHERE THE NOTCH IS TO BE MADE; A SUBSTANTIALLY TUBULAR CUTTING TOOL HAVING A SUBSTANTIALLY V-SHAPED, CUTTING EDGE ON ONE AXIAL END THEREOF, SAID CUTTING EDGE BEING DEFINED BY A PAIR OF EDGE PORTIONS CONVERGING AWAY FROM SAID TOOL TO FORM A SHARPENED POINT AT SAID ONE, AXIAL END OF SAID TOOL, SAID CUTTING EDGE BEING ADJACENT TO, AND EXTENDING A SUBSTANTIAL DISTANCE AROUND, THE PERIPHERAL SURFACE OF SAID TOOL; GUIDE MEANS ON SAID HOLDING STRUCTURE FOR SLIDABLY AND SNUGLY RECEIVING SAID TUBULAR TOOL AND GUIDING THE CUTTING EDGE THEREOF INTO ENGAGEMENT WITH AND THROUGH A PIPE HELD BY SAID STRUCTURE, SAID GUIDE MEANS BEING POSITIONED WITH RESPECT TO THE CUTTING TOOL AND THE PIPE SO THAT THE SHARPENED POINT OF THE V-SHAPED CUTTING EDGE OF THE TOOL ENGAGES THE PIPE; AND MEANS FOR EFFECTING AN AXIAL MOVEMENT OF SAID TOOL WITH RESPECT TO SAID HOLDING STRUCTURE ALONG SAID GUIDE MEANS.
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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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |