Patent US3157174A successfully refreshed from Google Patents.
US3157174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple section cutting tool
Assignee: KOEBEL DIAMOND TOOL CO
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Filing: 1962-05-31
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Granted: 1964-11-17
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Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Emery Harold Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:05
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/18; B24B; B24B53/00; B24B53/12; B24B53/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A ROTARY CUTTING TOOL OF THE TYPE ADAPTED TO BE MOUNTED FOR ROTATION ON AN AXIS COMPRISING A BODY COMPOSED OF AT LEAST A PAIR OF SECTIONS EACH HAVING A CIRCUMFERENTIAL SURFACE FORMED ABOUT SAID AXIS WITH CUTTING MEANS MOUNTED THEREON, MEANS FOR DETACHABLY SECURING SAID SECTIONS TOGETHER IN END-TO-END AXIALLY ALIGNED RELATION WHEREBY SAID CUTTING MEANS MAY BE INDIVIDUALLY FORMED, REFORMED AND AXIALLY REPOSITIONED RELATIVE TO EACH OTHER AS NECESSARY DURING THE LIFE OF THE TOOL, AN INSERT MEMBER HAVING A CUTTING ELEMENT MOUNTED THEREON, AND MEANS DETACHABLY SECURING SAID INSERT MEMBER TO THE TOOL BODY WITH SAID CUTTING ELEMENT BRIDGING THE PARTING LINE BETWEEN SAID BODY SECTIONS AND FORMING A PORTION OF THE CUTTING MEANS THEREOF.
Claim 2
Dependent Claim
118 words
A ROTARY CUTTING TOOL OF THE TYPE ADAPTED TO BE MOUNTED FOR ROTATION ON AN AXIS COMPRISING A BODY COMPOSED OF AT LEAST A PAIR OF SECTIONS EACH HAVING A CIRCUMFERENTIAL SURFACE FORMED ABOUT SAID AXIS WITH CUTTING MEANS MOUNTED THEREON, MEANS FOR DETACHABLY SECURING SAID SECTIONS TOGETHER IN END-TO-END AXIALLY ALIGNED RELATION WHEREBY SAID CUTTING MEANS MAY BE INDIVIDUALLY FORMED, REFORMED AND AXIALLY REPOSITIONED RELATIVE TO EACH OTHER AS NECESSARY DURING THE LIFE OF THE TOOL, AN INSERT MEMBER HAVING A CUTTING ELEMENT MOUNTED THEREON, AND MEANS DETACHABLY SECURING SAID INSERT MEMBER TO THE TOOL BODY WITH SAID CUTTING ELEMENT BRIDGING THE PARTING LINE BETWEEN SAID BODY SECTIONS AND FORMING A PORTION OF THE CUTTING MEANS THEREOF.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |