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US3146562A Expired / Lapsed US ⏱️ 0.0 years remaining

Power driven ridge reamer

Assignee: Individual
•
Filing: 1961-11-08
•
Granted: 1964-09-01
•
Expires: 1981-11-08
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Abstract

No abstract record available.

Inventors

  • 👤 Charles C Renfroe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 05:44
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 124 words
A MACHINE FOR REMOVING A RIDGE IN CYLINDERS COMPRISING AT LEAST ONE PAIR OF CUTTERS, MEANS MOUNTING SAID CUTTERS IN OPPOSED POSITION WHEREBY THE RADIAL OUTWARD MOVEMENT OF ONE OPPOSES THE RADIAL OUTWARD MOVEMENT OF THE OTHER OF THE PAIR OF CUTTERS WHEN SAID CUTTERS ARE IN ENGAGEMENT WITH THE WALL OF A CYLINDER, SAID MOUNTING MEANS INCLUDING SPRING MEANS FOR URGING SAID CUTTERS AWAY FROM EACH OTHER, MEANS FOR CAUSING SAID CUTTERS AND THEIR MOUNTING MEANS TO ROTATE IN A CIRCULAR PATH ABOUT A CENTER, AND MEANS FOR FIXING SAID CUTTER ROTATING MEANS ON A FIXED SUPPORT, SAID CUTTER MOUNTING MEANS INCLUDING A PIVOTAL SUPPORT FOR EACH CUTTER FOR FREELY ROTATABLY SUPPORTING EACH CUTTER ON A SUBSTANTIALLY HORIZONTAL AXIS WHEN IN CUTTING POSITION.
Claim 2
Dependent Claim 124 words
A MACHINE FOR REMOVING A RIDGE IN CYLINDERS COMPRISING AT LEAST ONE PAIR OF CUTTERS, MEANS MOUNTING SAID CUTTERS IN OPPOSED POSITION WHEREBY THE RADIAL OUTWARD MOVEMENT OF ONE OPPOSES THE RADIAL OUTWARD MOVEMENT OF THE OTHER OF THE PAIR OF CUTTERS WHEN SAID CUTTERS ARE IN ENGAGEMENT WITH THE WALL OF A CYLINDER, SAID MOUNTING MEANS INCLUDING SPRING MEANS FOR URGING SAID CUTTERS AWAY FROM EACH OTHER, MEANS FOR CAUSING SAID CUTTERS AND THEIR MOUNTING MEANS TO ROTATE IN A CIRCULAR PATH ABOUT A CENTER, AND MEANS FOR FIXING SAID CUTTER ROTATING MEANS ON A FIXED SUPPORT, SAID CUTTER MOUNTING MEANS INCLUDING A PIVOTAL SUPPORT FOR EACH CUTTER FOR FREELY ROTATABLY SUPPORTING EACH CUTTER ON A SUBSTANTIALLY HORIZONTAL AXIS WHEN IN CUTTING POSITION.

References Cited (Backward Citations)

US1471808A Cited
US1722301A Cited
US2040281A Cited
US2159918A Cited
US2724283A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-01 1968-03-02 1968-09-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-01 1972-03-02 1972-09-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-01 1976-03-02 1976-09-01 $7700.00 Window Closed / Lapsed

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