Hole cutter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 4, 1986
Grant Date -
N/A
app pub date -
Apr 5, 1984
filing date -
Apr 5, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hole cutter having a generally cylindrical cutter body provided around its lower end with a plurality of first cutting teeth each having a plurality of cutting edges, and a plurality of second cutting teeth adapted to scrape a surface cut by the first cutting teeth.
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