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US Patent: 932,607
Thread-cutting attachment for automatic lathes
Patentee:
John J. Grant (exact or similar names) - Cleveland, OH

USPTO Classifications:
408/132, 470/181, 470/46, 470/66, 470/83

Tool Categories:
metalworking machines : metal lathes : automatic lathes
metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:
Grant Automatic Machine Co. - Cleveland, OH

Manufacturer:
Not known to have been produced

Witnesses:
John F. Oberlin
D. T. Davies

Patent Dates:
Applied: Apr. 17, 1907
Granted: Aug. 31, 1909

Patent Pictures:
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Description:
Thread-cutting attachment for the multi-spindle turret lathe of patent 926,736.

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