US3239233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool bit and holder assembly
Assignee: Gardner Denver Inc
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Filing: 1964-08-17
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Granted: 1966-03-08
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Jr George B Stillwagon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:29
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0007; B25B23/0035; F; F16; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A TOOL BIT AND HOLDER ASSEMBLY ADAPTED FOR ECONOMICAL CONSTRUCTION AND FOR PROVIDING ACCURATE ALIGNMENT, SAID ASSEMBLY COMPRISING, A HOLDER HAVING A THREADED HOLE FORMED PARTIALLY THERRINTO, A FIRST PLUG OF SUBSTANTIALLY HARDNESS INSERTED WITHIN SAID HOLE, A SECOND PLUG OF DEFORMABLE MATERIAL SPACED BETWEEN SAID FIRST PLUG AND THE BOTTOM OF SAID HOLE AND ADAPTED TO ENGAGE THE BOTTOM THREADS WHEN DEFORMED WITHIN SAID HOLE, MEANS CONNECTING SAID FIRST PLUG WITH SAID SECOND PLUG TO RETAIN SAID FIRST PLUG, A BIT HAVING A THREADED SHANK BEING INSERTED WITHIN SAID HOLE AND ENGAGING SAID FIRST PLUG TO PROVIDE FOR ACCURATE ALIGNMENT BETWEEN SAID BIT AND SAID HOLDER.
Claim 2
Dependent Claim
107 words
A TOOL BIT AND HOLDER ASSEMBLY ADAPTED FOR ECONOMICAL CONSTRUCTION AND FOR PROVIDING ACCURATE ALIGNMENT, SAID ASSEMBLY COMPRISING, A HOLDER HAVING A THREADED HOLE FORMED PARTIALLY THERRINTO, A FIRST PLUG OF SUBSTANTIALLY HARDNESS INSERTED WITHIN SAID HOLE, A SECOND PLUG OF DEFORMABLE MATERIAL SPACED BETWEEN SAID FIRST PLUG AND THE BOTTOM OF SAID HOLE AND ADAPTED TO ENGAGE THE BOTTOM THREADS WHEN DEFORMED WITHIN SAID HOLE, MEANS CONNECTING SAID FIRST PLUG WITH SAID SECOND PLUG TO RETAIN SAID FIRST PLUG, A BIT HAVING A THREADED SHANK BEING INSERTED WITHIN SAID HOLE AND ENGAGING SAID FIRST PLUG TO PROVIDE FOR ACCURATE ALIGNMENT BETWEEN SAID BIT AND SAID HOLDER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |