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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:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
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.

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