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US Patent: 270,408
Screw-threading machine
Patentee:
William D. Forbes (exact or similar names) - Bridgeport, CT

USPTO Classifications:
15/104.012, 408/104, 470/176, 470/66

Tool Categories:
metalworking machines : metal threading machines : pipe threading machines

Assignees:
William D. Forbes - Bridgeport, CT
Roderick P. Curtis - Bridgeport, CT

Manufacturer:
Curtis & Curtis Co. - Bridgeport, CT

Witnesses:
Harry Drury
Harry Smith

Patent Dates:
Applied: Jul. 17, 1882
Granted: Jan. 09, 1883

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Curtis & Curtis Co.
Description:
Improvements to patent 253,996. See also patents 270,407 and 270,409.

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