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US Patent: 939,735
Thread-cutting tool
Patentee:
William Murchey (exact or similar names) - Detroit, MI

USPTO Classifications:
408/168, 470/188

Tool Categories:
metalworking machines : drilling and boring : tapping heads and chucks

Assignees:
None

Manufacturer:
Murchey Machine & Tool Co. - Detroit, MI

Witnesses:
Charles F. Burton
William M. Swan

Patent Dates:
Applied: Jun. 12, 1908
Granted: Nov. 09, 1909

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Murchey Machine & Tool Co.
Description:
This tapping head is intended for cutting tapered pipe threads.

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