Patent US7094245B2 successfully refreshed from Google Patents.
US3074162A
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Cork borer
Assignee: Universal Oil Products Co
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Filing: 1961-12-26
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Granted: 1963-01-22
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Leo A Lentini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:51
CPC Classifications
B; B67; B67B; B67B7/00; B67B7/30; Y; Y10; Y10T; Y10T408/00; Y10T408/34; Y10T408/352; Y10T408/89; Y10T408/895; Y10T83/00; Y10T83/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
A BORING TOOL COMPRISING A CYLINDRICAL TUBE, A SHAFT-RECEIVING WELL FORMED WITHIN THE CYLINDRICAL WALL OF THE TUBE EXTENDING PARALLEL TO THE CENTRAL LONGITUDINAL AXIS THEREOF, A LONGITUDINALLY EXTENDING ROTARY SHAFT DISPOSED WITHIN THE WELL, A CIRCUMFERENTIAL SLOT FORMED IN SAID CYLINDRICAL WALL NEAR ONE END OF THE TUBE, SAID SLOT COMMUNICATING WITH BOTH THE HOLLOW INTERIOR OF THE TUBE AND THE WELL ADJACENT SAID SHAFT, A CUTTING BLADE CONNECTED AT ONE END THEREOF TO THE SHAFT, A CUTTING BLADE CONNECTED AT ONE END THEREOF TO THE SHAFT AND ROTATABLE INWARDLY THEREAROUND IN A PLANE BRIDGED BY SAID SLOT, SAID BLADE BEING OF SUCH SHAPE AND SIZE AS TO BE FULLY RETRACTABLE INTO THE SLOT UPON DUE ROTATION OF SAID SHAFT, MEANS FOR ROTATING AND LOCKING THE SHAFT, AND MEANS FOR ROTATING THE TUBE ABOUT SAID AXIS.
References Cited (Backward Citations)
US1162901A
Cited
US2870836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |