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US Patent: 490,676
Adjustable die-stock
Herman W. Oster - Cleveland, OH

USPTO Classifications:

Tool Categories:
wrenches : tap wrenches and die stocks
metalworking tools : taps and dies
industrial tools : taps and dies
metalworking tools : tap and die holders


Oster Manufacturing Co. - Cleveland, OH


Patent Dates:
Granted: Jan. 31, 1893

Patent Pictures: [ 1 | 2 | 3 ]
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This patent die stock was seen in an ad in the June 1905 issue of Canadian Machinery. It is labeled, "OSTER MFG. CO. CLEVELAND OHIO / PAT'D JAN 31, 1893". The ad copy says, "No two makes of pipe and fittings have the same standards of sizes. No two lots of the same maker's goods are exactly the same size. No steam tight joint with lead is as good as one without it. No solid, split or semi-adjustable die stock will enable you to mean the variations and make perfect joints. No other than the OSTER ADJUSTABLE will do it satisfactorily."

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