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US Patent: RE19,093
Coupling For Socket Wrenches
Patentee:
Edward M. Pfauser (exact or similar names) - Milwaukee, WI

USPTO Classifications:
403/321, 403/324, 403/328, 81/124.6

Tool Categories:
wrenches : socket wrenches

Assignees:
Blackhawk Mfg. Co. - Milwaukee, WI

Manufacturer:
Blackhawk Mfg. Co. - Milwaukee, WI

Witnesses:
none listed

Patent Dates:
Applied: Mar. 25, 1933
Granted: Feb. 27, 1934

Reissue Information:
Reissue of 1,896,645 (Feb. 07, 1933)
Reissued as RE19,287 (Aug. 21, 1934)

Patent Pictures:
Edward M. Pfauser reissue patent February 27, 1934
USPTO (New site tip)
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Description:
A button embedded in a chamber in the side of a socket acts as a release for a spring detent of the sort described in patent no. 1,927,844.

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