US Patent: 671,789


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


Quick search:	Patent number:	Patent Date:

US Patent: 671,789

Wrench

Patentee:

Charles Borgeson (exact or similar names) - Pittsburgh, PA

USPTO Classifications:

279/148, 279/155, 411/919, 81/124.1, 81/124.3

Tool Categories:

wrenches : socket wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jul. 28, 1900
Granted:	Apr. 09, 1901

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz

Description:

The patent is for the spring-loaded follower within the socket which would tend to push the nut out of the socket. The drawing shows a square socket; the specifications extend the application to sockets of other shapes.