Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 279,204
Auger
Adjustable Auger
Patentee:
James Swan (exact or similar names) - Seymour, CT

USPTO Classifications:
408/186, 408/195, 408/212

Tool Categories:
woodworking tools : hand drills : drill bits : adjustable drill bits

Assignees:
None

Manufacturer:
James Swan Co. - Seymour, CT

Witnesses:
G. W. Gregory
Fred A. Powell

Patent Dates:
Applied: Mar. 09, 1883
Granted: Jun. 12, 1883

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Primary claim is the combination of a double twist with the adjustable cutter to carry the chips away, enabling it to bore deeper holes.

Copyright © 2002-2024 - DATAMP