US Patent: 419,111
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Insulated Nippers
Improvements in Insulated Nippers and Cutting-Instruments
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Patentee:
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| Firmin Michael Casey (exact or similar names) - Mount Vernon, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 24, 1889 |
| Granted: |
Jan. 07, 1890 |
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Patent Pictures:
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Firmin M. Casey patent January 7, 1890 |
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Stan Schulz
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Description: |
| Handle insulation of rubber coating over a non-conducting vitreous layer (as patented by Casey in pat. no. 409,097).
The drawing shows this double layer coating applied to side-cutter flat jaw pliers. The handles have ridges to retain the non-conducting coatings, and end knobs to give extra purchase for the hands. |
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