US Patent: 50,600
|
Improved Tool for Cutting Washers
|
Patentees:
|
Charles A. King (exact or similar names) - Middletown, CT |
Otis A. Smith (exact or similar names) - Middletown, CT |
|
Patent Dates:
|
Granted: |
Oct. 24, 1865 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Russ Allen.
|
Description: |
A center pin (either fixed or adjustable) and one or more adjustable cutter designed for use in a bit-stock. Manufactured version utilized a fix center pin.
Known example is marked: OTIS A. SMITY ROCKFALL CONN. PAT'D OCT. 24, 1865. |
|