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US Patent: RE16,354
August Edwin Carlberg - Worcester, MA

USPTO Classifications:
81/121.1, 81/124.5

Tool Categories:
wrenches : socket wrenches

Walden-Worcester, Inc. - Worcester, MA

Walden-Worcester, Inc. - Worcester, MA

none listed

Patent Dates:
Applied: Jan. 23, 1922
Granted: May 18, 1926

Reissue Information:
Reissue of 1,542,336 (Jun. 16, 1925)

Patent Pictures:
August E. Carlberg reissue patent May 18, 1926
USPTO pdf tiff
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The patent deals with wrench construction in which a socket or double-sized socket is pivotally connected to the shank. At least one Walden-Worcester specialty wrench has this type of connection between the socket head and handle. Referenced in Carlberg's March 10, 1931 patent no. 1,796,031.

Compare patent no. 1,613,976 for a similar concept.

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