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US Patent: 1,391,639
Collapsible tap
Patentee: Victor R. Koontz (exact or similar names) - Waynesboro, PA USPTO Classifications: 408/153, 408/73, 470/203 Tool Categories: industrial tools : taps and dies metalworking tools : taps and dies Assignees: Victor Tool Co. (Waynesboro) - Waynesboro, PA Manufacturer: Victor Tool Co. (Waynesboro) - Waynesboro, PA Witnesses: H. G. Crim Roy G. Mumma	Patent Dates: Applied: Jun. 03, 1920 Granted: Sep. 20, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Victor Tool Co. (Waynesboro)
Description: This tap is for cutting tapered threads in pipe fittings.

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