Patent US3273221A successfully refreshed from Google Patents.
US3273221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable chip-breaker
Assignee: Individual
•
Filing: 1965-01-22
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Granted: 1966-09-20
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Expires: 1985-01-22
Abstract
No abstract record available.
Inventors
- 👤 Harry R Ewing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:17
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1666; B23B27/1674; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/112; Y10T407/114; Y10T407/116; Y10T407/118; Y10T407/22; Y10T407/227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN COMBINATION, A TOOL HOLDER PROVIDED WITH A CUTTER RECESS, A CUTTER DISPOSED IN SAID RECESS, SAID TOOL HOLDER BEING FORMED WITH A VERTICAL APERTURE ADJACENT SAID RECESS, A STUD IN SAID APERTURE, MEANS TO CLAMPINGLY SECURE THE STUD IN A VERTICALLY ADJUSTED POSITION IN SAID APERTURE, A CHIP-BREAKER MOUNTED ON THE TOOL HOLDER AND OVERLYING THE CUTTER, SAID CHIP-BREAKER COMRISING A PLATE-LIKE MAIN BODY FORMED WITH A LONGITUDINAL SLOT RECEIVING SAID STUD, ONE END OF SAID SLOT HAVING AN INCLINED WALL SURFACE, AND A LUG ON SAID STUD RECEIVED IN SAID SLOT AND CAMMINGLY ENGAGING SAID INCLUDING WALL SURFACE, WHEREBY THE CHIPBREAKER IS HORIZONTALLY ADJUSTED RESPONSIVE TO VERTICAL ADJUSTMENT OF SAID STUD.
Claim 2
Dependent Claim
113 words
IN COMBINATION, A TOOL HOLDER PROVIDED WITH A CUTTER RECESS, A CUTTER DISPOSED IN SAID RECESS, SAID TOOL HOLDER BEING FORMED WITH A VERTICAL APERTURE ADJACENT SAID RECESS, A STUD IN SAID APERTURE, MEANS TO CLAMPINGLY SECURE THE STUD IN A VERTICALLY ADJUSTED POSITION IN SAID APERTURE, A CHIP-BREAKER MOUNTED ON THE TOOL HOLDER AND OVERLYING THE CUTTER, SAID CHIP-BREAKER COMRISING A PLATE-LIKE MAIN BODY FORMED WITH A LONGITUDINAL SLOT RECEIVING SAID STUD, ONE END OF SAID SLOT HAVING AN INCLINED WALL SURFACE, AND A LUG ON SAID STUD RECEIVED IN SAID SLOT AND CAMMINGLY ENGAGING SAID INCLUDING WALL SURFACE, WHEREBY THE CHIPBREAKER IS HORIZONTALLY ADJUSTED RESPONSIVE TO VERTICAL ADJUSTMENT OF SAID STUD.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |