US3557417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder
Assignee: Individual
•
Filing: 1968-07-11
•
Granted: 1971-01-26
•
Expires: 1988-07-11
Abstract
Abstract A TOOL HOLDER SHANK HAVING AN INTEGRAL BLADE IS PROVIDED WITH A CLAMP HAVING A BLADE TO HOLD A TOOL BIT OR INSERT, THE SHANK HAVING TRANSVERSE AND LONGITUDINAL GROOVES RECEIVING TRANSVERSE AND LONGITUDINAL RIBS ON THE CLAMP TO CONTROL THE POSITION OF THE CLAMP ON THE SHANK WHEN THE CLAMP IS SECURED TO THE SHANK WITH A BIT BETWEEN THE BLADES BY A SINGLE SCREW PASSING THROUGH THE CLAMP AND INTO THE SHANK, THE BLADE ON THE SHANK HAVING A V GROOVE AND A BIT HAVING A BOTTOM V-FORMATION TO ALIGN AND HOLD THE BIT ON THE SHANK BLADE. D R A W I N G
Inventors
- 👤 John P Kollar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:46
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/04; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2282; Y10T407/2292; Y10T407/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |