Drill bit cutter
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United States of America Patent
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-
Feb 18, 1986
Grant Date -
N/A
app pub date -
Jan 31, 1984
filing date -
Jan 31, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention comprises a cutter for a drag-type drill bit, the cutter having a stud portion defining one end thereof and a cutting formation generally adjacent the other end, said stud portion having external side walls which, throughout a major part of the length of said stud portion and in transverse cross section, define a circle interrupted by at least one section of greater radius of curvature.
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