Patent US3239911A successfully refreshed from Google Patents.
US3239911A
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US
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Bit holder
Assignee: OK Tool Co Inc
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Filing: 1962-11-20
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Granted: 1966-03-15
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Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Thurston V Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:04
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2265; B23C5/24; B23C5/2468; B23C5/2472; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2226; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/225; Y10T407/2252; Y10T407/2256; Y10T407/2258; Y10T407/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
FOR USE IN A TOOL PROVIDED WITH A BIT RECESS HAVING A BOTTOM AND TWO SIDES, A LOCATOR HAVING A SHOULDER FACING AWAY FROM SAID BOTTOM TO PREVENT MOVEMENT OF THE BIT TOWARD SAID BOTTOM, A SCREW THREADED THROUGH SAID LOCATOR AND SEATING ON SAID BOTTOM TO ADJUST THE POSITION OF THE LOCATOR RELATIVELY TO SAID BOTTOM, THE LOCATOR INCLUDING MEANS TO LOCK THE BIT IN THE RECESS, AND A SECOND SCREW IN THE LOCATOR FOR ACTUATING SAID MEANS.
Claim 2
Dependent Claim
79 words
FOR USE IN A TOOL PROVIDED WITH A BIT RECESS HAVING A BOTTOM AND TWO SIDES, A LOCATOR HAVING A SHOULDER FACING AWAY FROM SAID BOTTOM TO PREVENT MOVEMENT OF THE BIT TOWARD SAID BOTTOM, A SCREW THREADED THROUGH SAID LOCATOR AND SEATING ON SAID BOTTOM TO ADJUST THE POSITION OF THE LOCATOR RELATIVELY TO SAID BOTTOM, THE LOCATOR INCLUDING MEANS TO LOCK THE BIT IN THE RECESS, AND A SECOND SCREW IN THE LOCATOR FOR ACTUATING SAID MEANS.
References Cited (Backward Citations)
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US2664617A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |