US Patent: 328,320 - Countersink


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US Patent: 328,320

Countersink

Patentee:

Frederick Leu (exact or similar names) - Brooklyn, NY

USPTO Classifications:

408/186

Tool Categories:

woodworking tools : hand drills : drill bits : countersinks

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

W. J. Morgan

S. H. Morgan

Patent Dates:
Applied:	Jul. 11, 1885
Granted:	Oct. 13, 1885

Patent Pictures:

USPTO (New site tip)
Google Patents
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Description:

Primary claim of this patent regards the separate tapered and curved cutter which can be shifted, for sharpening/adjustment, or removed for sharpening/replacement.