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

USPTO Classifications:
408/177

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

Assignees:
None

Manufacturer:
Oster Manufacturing Co. - Cleveland, OH

Witnesses:
Unknown

Patent Dates:
Granted: Jan. 31, 1893

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
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Description:
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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