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US Patent: 1,239,688
Combination Petcock Wrench and Cleaning Tool
George F. Harris - Brooklyn, NY

USPTO Classifications:
15/104.05, 15/105, 294/19.1, 33/725, 4/661, 7/138, 81/119

Tool Categories:
wrenches : automotive specialty wrenches


FAWSCO Wrench Co. - New York, NY
J. H. FAW Co. - New York, NY

none listed

Patent Dates:
Applied: Apr. 20, 1917
Granted: Sep. 11, 1917

Patent Pictures: [ 1 | 2 | 3 ]
George F. Harris patent September 11, 1917
USPTO pdf tiff
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Long wire handle, with a "U" clip at the end for oil level petcocks on Model T Ford engines, a fold-out wire that would clean dirt from the central bore of the petcock, and scale marks to serve as a fuel level "dipstick".

A FAWSCO ad in the February 1923 AUTOMOBILE DEALER AND REPAIRER cites the patent and warns the auto trade not to purchase infringing look-alikes. An earlier J.H. FAW Co. ad calls attention to the three functions.

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