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Patent number:
Patent Date:
US Patent: 333,170
Auger
Method of auger manufacture
Patentee:
George F. Stearns (
exact
or
similar
names) - Chester, CT
USPTO Classifications:
408/214
,
408/231
,
76/102
,
76/108
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
auger bits
Assignees:
George F. Stearns
- Chester, CT
Richard J. Allyn
- Hartford, CT
Manufacturer:
Not known to have been produced
Witnesses:
W. X. Stevens
Solon C. Kemon
Patent Dates:
Applied:
Apr. 30, 1885
Granted:
Dec. 29, 1885
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Construction of auger bits with a wrought iron or steel shank which forms the core of a cast worm, or screw, and a separate tool steel blade.
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