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US Patent: 1,493,165
Screw Driver
Edmund A. Schade - New Britain, CT

USPTO Classifications:
279/95, 81/177.1, 81/436

Tool Categories:
screwdrivers : screwdriver handles

The Stanley Works - New Britain, CT

The Stanley Works - New Britain, CT


Patent Dates:
Applied: Oct. 30, 1922
Granted: May 06, 1924

Patent Pictures: [ 1 | 2 | 3 ]
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This Patent relates to a less expensive way to reinforce the handle.Instead of forming the shank and blade after the handle, the blade and shank can formed then inserted into the handle a cap can be threaded on to the shaft after. The example does not have threads to attach the cap but it is forced on .Example marked with the TmBB trade mark, Hurwood, Made in USA Pat.1493165.

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