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US Patent: 3,181
Auger
Single Lip Auger Bit & Means of Making
Patentee:
Raymond French - Derby, CT

USPTO Classifications:
408/199, 76/102

Tool Categories:
tool making : making drills and augers
woodworking tools : hand drills : drill bits : auger bits

Assignees:
None

Manufacturer:
Raymond French & Co. - Derby, CT

Witnesses:
Harrison Tomlinson
Nathan B. Church

Patent Dates:
Granted: Jul. 20, 1843

Patent Pictures:
USPTO pdf tiff
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Description:
Patent claim is for an auger bit with one pod deeper than the other, with the deeper pod terminating in the single cutting lip. Also Includes the die for creating the pods of different depths.

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