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US Patent: 245,629
Instrument for Cutting Washers
Patentee:
Thomas Hagerty (exact or similar names) - San Francisco, CA

USPTO Classifications:
30/310, 33/27.02

Tool Categories:
knives and cutters
layout tools : compasses : dividers

Assignees:
None

Manufacturer:
C.S. Osborne - Newark, NJ

Witnesses:
W. J. Cuthberton
C. N. Hitchcock

Patent Dates:
Applied: Jan. 05, 1881
Granted: Aug. 16, 1881

Patent Pictures: [ 1 | 2 ]
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Description:
This small set of dividers uses a sharpened cutting edge to allow it to be used for cutting washers in leather. It was produced and sold by C.S. Osborne, famous maker of leather working tool.

Known examples are marked with the manufacturer's name and patent date.

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