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Patent number:
Patent Date:
US Patent: 594,615
Expansive Bit
Patentee:
Bernard H. Fowle (
exact
or
similar
names) - Spokane, WA
USPTO Classifications:
408/181
,
408/195
,
408/212
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
adjustable drill bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
T. M. Grove
D. H. Dwight
Patent Dates:
Applied:
Jan. 27, 1897
Granted:
Nov. 30, 1897
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Primary features of this bit are the jointed stem, which allows use of driving stems of various lengths, and the screw adjusted cutter.
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