US Patent: 45,850 - Improved Machine for Forging File Blanks


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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:

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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.