Patent US3284874A successfully refreshed from Google Patents.
US3284874A
Expired / Lapsed
US
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Cutting tool with removal cutter element
Assignee: De Vlieg Machine Co
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Filing: 1965-11-22
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Granted: 1966-11-15
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 George C Green
- 👤 Robert M Ortlieb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:38
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1662; B23B2205/00; B23B2205/04; B23B2205/045; B23B2205/16; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2274; Y10T407/2276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CUTTING TOOL INCLUDING A SUPPORTING MEMBER HAVING A FLAT SEAT AND A PAIR OF CONVERGINGLY RELATED SHOULDERS ADJACENT TO SAID SEAT; A CUTTER SUPPORTED ON SAID SEAT AND HAVING AN OPENING PORTION OF TAPERING DIAMETER, AND A LOCKING WEDGE HAVING A HEAD OF TAPERING DIAMETER DISPOSED IN SAID OPENING PORTION, SAID LOCKING WEDGE BEING THREADABLY CONNECTED TO SAID SUPPORTING MEMBER AND BEING ADVANCEABLE ALONG A THREAD AXIS WHICH IS INCLINED WITH RESPECT TO A LINE PERPENDICULAR TO SAID SEAT, SAID HEAD HAVING A RATE OF TAPER GREATER THAN THE RATE OF TAPER OF SAID OPENING AND BEING ENGAGEABLE WITH THE WALL OF SAID OPENING TO BIAS SAID CUTTER AGAINST SAID SEAT AND AGAINST SAID SHOULDERS AND POSITIVELY SECURE SAID CUTTER IN A FIXED POSITION ON SAID SUPPORTING MEMBER.
Claim 2
Dependent Claim
129 words
A CUTTING TOOL INCLUDING A SUPPORTING MEMBER HAVING A FLAT SEAT AND A PAIR OF CONVERGINGLY RELATED SHOULDERS ADJACENT TO SAID SEAT; A CUTTER SUPPORTED ON SAID SEAT AND HAVING AN OPENING PORTION OF TAPERING DIAMETER, AND A LOCKING WEDGE HAVING A HEAD OF TAPERING DIAMETER DISPOSED IN SAID OPENING PORTION, SAID LOCKING WEDGE BEING THREADABLY CONNECTED TO SAID SUPPORTING MEMBER AND BEING ADVANCEABLE ALONG A THREAD AXIS WHICH IS INCLINED WITH RESPECT TO A LINE PERPENDICULAR TO SAID SEAT, SAID HEAD HAVING A RATE OF TAPER GREATER THAN THE RATE OF TAPER OF SAID OPENING AND BEING ENGAGEABLE WITH THE WALL OF SAID OPENING TO BIAS SAID CUTTER AGAINST SAID SEAT AND AGAINST SAID SHOULDERS AND POSITIVELY SECURE SAID CUTTER IN A FIXED POSITION ON SAID SUPPORTING MEMBER.
References Cited (Backward Citations)
US3173191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |