US Patent: 45,850
|
| Improved Machine for Forging File Blanks
|
|
Patentee:
|
|
| William T. Nicholson (exact or similar names) - Providence, RI |
|
|
Patent Dates:
|
| Granted: |
Jan. 10, 1865 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Russ Allen. "Vintage Machinery" entry for W. T. Nicholson
|
|
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. |
|