US Patent: 306,907


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US Patent: 306,907

Auger Bit

Patentee:

William M. Dimitt (exact or similar names) - Martinsville, OH

USPTO Classifications:

408/213

Tool Categories:

woodworking tools : hand drills : drill bits

Assignees:

William M. Dimitt - Martinsville, OH

Charles H. Irwin - Martinsville, OH

Manufacturer:

Irwin Auger Bit Co. - Wilmington, OH

Witnesses:

J. D. Ousley

W. W. Walker

Patent Dates:
Applied:	Jun. 30, 1884
Granted:	Oct. 21, 1884

Patent Pictures:

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Description:

Solid auger bit with a central stem and single knife edge cutter. This patent is later referenced by Irwin's patent 361522 as similar but Irwin claims a concave upper or rear side blade.