US3218762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven ridge reamer
Assignee: Individual
•
Filing: 1964-08-31
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Granted: 1965-11-23
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Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Charles C Renfroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:56
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/007; B23Q; B23Q9/00; B23Q9/0014; B23Q9/0021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A MACHINE FOR REMOVING A RIDGE IN CYLINDERS COMPRISING A CUTTER, MEANS FOR MOUNTING SAID CUTTER TO ROTATE IN MACHINING ENGAGEMENT WITH THE INTERIOR WALL OF A CYLINDER, SAID MOUNTING MEANS INCLUDING RESILIENT MEANS URGING SAID CUTTER INTO ENGAGEMENT WITH SAID WALL, SAID MOUNTING MEANS INCLUDING A PIVOTABLE SUPPORT FOR SAID CUTTER FOR FREELY PIVOTALLY SUPPORTING SAME ON A SUBSTANTIALLY HORIZONTAL AXIS WHEN IN A CUTTING POSITIONS, SAID MOUNTING MEANS INCLUDING AUTOMATIC FEED LIMITING MEANS RESTRICTING THE RATE OF RADIAL FEED OF SAID CUTTER, AND MEANS FOR CAUSING SAID CUTTER TO ROTATE IN A CIRCULAR PATH ABOUT A CENTER.
Claim 2
Dependent Claim
99 words
A MACHINE FOR REMOVING A RIDGE IN CYLINDERS COMPRISING A CUTTER, MEANS FOR MOUNTING SAID CUTTER TO ROTATE IN MACHINING ENGAGEMENT WITH THE INTERIOR WALL OF A CYLINDER, SAID MOUNTING MEANS INCLUDING RESILIENT MEANS URGING SAID CUTTER INTO ENGAGEMENT WITH SAID WALL, SAID MOUNTING MEANS INCLUDING A PIVOTABLE SUPPORT FOR SAID CUTTER FOR FREELY PIVOTALLY SUPPORTING SAME ON A SUBSTANTIALLY HORIZONTAL AXIS WHEN IN A CUTTING POSITIONS, SAID MOUNTING MEANS INCLUDING AUTOMATIC FEED LIMITING MEANS RESTRICTING THE RATE OF RADIAL FEED OF SAID CUTTER, AND MEANS FOR CAUSING SAID CUTTER TO ROTATE IN A CIRCULAR PATH ABOUT A CENTER.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |