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US Patent: 45,850
Improved Machine for Forging File Blanks
Patentee:
William T. Nicholson - Providence, RI

USPTO Classifications:
72/372, 72/443, 76/5.1

Tool Categories:
woodworking machines : specialty machines : tool making machines
metalworking tools : files

Assignees:
None

Manufacturer:
Nicholson File Co. - Providence, RI

Witnesses:
Benj. F. Thurston
John H. Stiness

Patent Dates:
Granted: Jan. 10, 1865

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Swage forming of file blanks to a consistant shape for machine cut files. Although the text makes no mention of his file machine patents, 42,216 and 42,217, it is assumed that this was a natural development in support of his machine cut file operations.

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