Patent US2426477A successfully refreshed from Google Patents.
Patent US3296897A successfully refreshed from Google Patents.
US3296897A
Expired / Lapsed
US
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Boring bars
Assignee: Individual
•
Filing: 1964-12-23
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Granted: 1967-01-10
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Konwal Ignatius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:28
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2214; Y10T407/2222; Y10T407/2224; Y10T407/2244; Y10T407/227; Y10T407/2272; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8598
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A TOOL OF THE CLASS DESCRIBED COMPRISING A BORING BAR HAVING A SHANK AND A REMOVABLE HEAD AT ONE END OF THE SHANK, SAID HEAD HAVING AN ARM PROJECTING FROM THE END THEREOF PROVIDING A RELATIVELY FLAT SURFACE PROVIDING A SEAT FOR A BIT, MEANS FOR SECURING SAID BIT IN SAID SEAT, SAID SHANK AND HEAD HAVING LONGITUDINALLY ALIGNED BORES FORMED THEREIN, A SHAFT HAVING A PORTION POSITIONED IN THE BORE OF THE SHANK AND A STUD SHAFT POSITIONED IN THE BORE OF THE HEAD, SAID SHAFT BEING OF A DIAMETER LESS THAN THE DIAMETER OF THE BORE OF SAID SHANK, AND MEANS FOR CONNECTING SAID SHAFT TO SAID SHANK FOR MOVEMENT RELATIVE TO THE BORE OF SAID SHANK IN THE PLANE OF SAID BIT SEAT TO ADJUST THE POSITION OF THE BIT RELATIVE TO WORK BEING OPERATED UPON BY SAID BIT, AND CO-AXIALLY RELATED MEANS CARRIED BY SAID SHANK AND ENGAGEABLE WITH SAID SHAFT AT A POINT ADJACENT SAID CONNECTING MEANS FOR ADJUSTING SAID BIT RELATIVE TO SAID WORK.
Claim 2
Dependent Claim
170 words
A TOOL OF THE CLASS DESCRIBED COMPRISING A BORING BAR HAVING A SHANK AND A REMOVABLE HEAD AT ONE END OF THE SHANK, SAID HEAD HAVING AN ARM PROJECTING FROM THE END THEREOF PROVIDING A RELATIVELY FLAT SURFACE PROVIDING A SEAT FOR A BIT, MEANS FOR SECURING SAID BIT IN SAID SEAT, SAID SHANK AND HEAD HAVING LONGITUDINALLY ALIGNED BORES FORMED THEREIN, A SHAFT HAVING A PORTION POSITIONED IN THE BORE OF THE SHANK AND A STUD SHAFT POSITIONED IN THE BORE OF THE HEAD, SAID SHAFT BEING OF A DIAMETER LESS THAN THE DIAMETER OF THE BORE OF SAID SHANK, AND MEANS FOR CONNECTING SAID SHAFT TO SAID SHANK FOR MOVEMENT RELATIVE TO THE BORE OF SAID SHANK IN THE PLANE OF SAID BIT SEAT TO ADJUST THE POSITION OF THE BIT RELATIVE TO WORK BEING OPERATED UPON BY SAID BIT, AND CO-AXIALLY RELATED MEANS CARRIED BY SAID SHANK AND ENGAGEABLE WITH SAID SHAFT AT A POINT ADJACENT SAID CONNECTING MEANS FOR ADJUSTING SAID BIT RELATIVE TO SAID WORK.
References Cited (Backward Citations)
US3050828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |