Home| FAQ	Search:Advanced|Person|Company| Type|Class	Login

Quick search:	Patent number:	Patent Date:

US Patent: 287,538
Bit Threaded Spur Auger Bit
Patentee: Edward Hall (exact or similar names) - Elkhart, IN USPTO Classifications: 408/212 Tool Categories: woodworking tools : hand drills : drill bits : auger bits Assignees: Edward Hall - Elkhart, IN Carlton E. Sage - Elkhart, IN Manufacturer: Not known to have been produced Witnesses: John B. Pollard J. W. Middleton	Patent Dates: Applied: Aug. 25, 1883 Granted: Oct. 30, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)
Description: The spurs of this bit are threaded to help feed the bit into the work, especially toward the end of the cut as the lead screw loses its traction.

Copyright © 2002-2024 - DATAMP