US Patent: RE2,204 - Pump-Log Hollow Auger


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US Patent: RE2,204

Improvement in Hollow Augers
Pump-Log Hollow Auger

Patentee:

Arcalous Wyckoff (exact or similar names) - Elmira, NY

USPTO Classifications:

408/204

Tool Categories:

woodworking tools : hand drills : drill bits : hollow bits

woodworking machines : wood drilling and boring

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

G. L. Dawes

George W. Wyckoff

Patent Dates:
Granted:	Mar. 13, 1866

Reissue Information:
Reissue of 24,773 (Jul. 12, 1859)

Patent Pictures:

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Vintage Machinery entry for Arcalous Wyckoff

Description:

This reissue differs regarding the shape of the trailing portion of the primary cutter - it, too, can be sharpened to help smooth the surface of the core.

This patent was granted an extension by/before 1874.