Drill bit, hard member, and bit body
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 22, 2003
Issued Date -
N/A
app pub date -
Jun 9, 2000
filing date -
Feb 15, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A rotary drill bit for penetrating earth strata wherein the drill bit includes a drill bit body that has an axial forward end. The drill bit body has a hard insert, which is preferably monolithic, that is affixed to the drill bit body at the axial forward end thereof. The hard insert presents at least three discrete leading cutting edges for cutting the earth strata.
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