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US3075412A Expired / Lapsed US ⏱️ 0.0 years remaining

Ridge reamer

Assignee: Ammco Tools Inc
•
Filing: 1960-06-27
•
Granted: 1963-01-29
•
Expires: 1980-06-27
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Abstract

No abstract record available.

Inventors

  • 👤 Walter P Kushmuk
  • 👤 Otto T Handwerk

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 00:24
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/16; B23B5/161; B23B5/162; B23D; B23D77/00; B23D77/02; B23D77/04; B23D77/042; B23D77/14; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5583; Y10T408/5584; Y10T408/83; Y10T408/85; Y10T82/00; Y10T82/12

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 112 words
A CYLINDER RIDGE REAMER OF THE TYPE ADAPTED TO REMOVE A RING-WEAR RIDGE FORMED ON THE WALL OF AN ENGINE CYLINDER, COMPRISING A HEAD MEMBER, MEANS FOR SUPPORTING SAID HEAD MEMBER FOR ROTATIONAL MOVEMENT RELATIVE TO SAID CYLINDER, AN ARM, MEANS COUPLING SAID ARM TO SAID HEAD MEMBER AT BOTH OF THE ENDS OF SAID ARM AND INCLUDING AT LEAST ONE LINK MEMBER PIVOTALLY CONNECTED TO SAID HEAD MEMBER AND TO SAID ARM, A CUTTING BLADE CARRIED BY SAID ARM AND INCLUDING A RACK ON SAID ARM AND A PINION ENGAGEABLE THEREWITH AND MEANS RESPONSIVE TO THE ROTATION OF SAID HEAD MEMBER FOR APPLYING A RADIALLY DIRECTED FORCE TO SAID CUTTING BLADE.

References Cited (Backward Citations)

US2226015A Cited
US2633038A Cited
DE857607C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-28 1966-07-30 1967-01-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-28 1970-07-30 1971-01-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-28 1974-07-30 1975-01-29 $7700.00 Window Closed / Lapsed

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