Patent US3341922A successfully refreshed from Google Patents.
US3341922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable clamping arrangement for a reversible cutting bit
Assignee: Fagersta Bruks AB
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Filing: 1966-02-17
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Granted: 1967-09-19
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Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Gustafson Manfred Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:36
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1666; B23B27/167; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/118; Y10T407/22; Y10T407/2272; Y10T407/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A HOLDER FOR DETACHABLY MOUNTING A BIT HAING A CUTTING FACE AND AT LEAST TWO ANGULARLY RELATED SIDE FACES, COMPRISING A HOLDER MEMBER HAVING A RECESS ADJACENT ONE END THEREOF FOR RECEIVING SAID BIT, SAID RECESS HAVING A BOTTOM AND TWO ANGULARLY RELATED SIDES COMPLEMENTAL TO THE ANGULARLY RELATED SIDE FACES OF SID BIT, A THREADED HOLE IN SAID HOLDER MEMBER ADJACENT TO ONE OF SAID RECESS SIDES INCLINED RELATIVE TO THE ADJACENT SIDE AND BOTTOM OF SAID RECESS, AND A BOLT HAVING A SHANK THREADED INTO SAID HOLE AND A HEAD WITH AN EDGE PORTION OVERLYING SAID RECESS, THE INCLINATION OF SAID THREADED HOLE AND SAID BOLT AND THE DIRECTION OF THE THREADS BEING RELATED TO URGE SAID SIDE FACES OF SAID BIT AGAINST SAID SIDES OF SAID RECESS WHEN SAID BOLT IS SCREWED INTO SAID HOLE.
Claim 2
Dependent Claim
138 words
A HOLDER FOR DETACHABLY MOUNTING A BIT HAING A CUTTING FACE AND AT LEAST TWO ANGULARLY RELATED SIDE FACES, COMPRISING A HOLDER MEMBER HAVING A RECESS ADJACENT ONE END THEREOF FOR RECEIVING SAID BIT, SAID RECESS HAVING A BOTTOM AND TWO ANGULARLY RELATED SIDES COMPLEMENTAL TO THE ANGULARLY RELATED SIDE FACES OF SID BIT, A THREADED HOLE IN SAID HOLDER MEMBER ADJACENT TO ONE OF SAID RECESS SIDES INCLINED RELATIVE TO THE ADJACENT SIDE AND BOTTOM OF SAID RECESS, AND A BOLT HAVING A SHANK THREADED INTO SAID HOLE AND A HEAD WITH AN EDGE PORTION OVERLYING SAID RECESS, THE INCLINATION OF SAID THREADED HOLE AND SAID BOLT AND THE DIRECTION OF THE THREADS BEING RELATED TO URGE SAID SIDE FACES OF SAID BIT AGAINST SAID SIDES OF SAID RECESS WHEN SAID BOLT IS SCREWED INTO SAID HOLE.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |