US Patent: 8,957X
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Improved cutting and clearing chisel
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Patent Dates:
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Granted: |
Jul. 07, 1835 |
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Jeff Joslin Vintage Machinery entry for J. A. Fay & Co. Vintage Machinery entry for Page & Co.
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Description: |
Wings on the side edges which are not more than 1/16 inch thick and between 2 to 5/16 inches wide, sharpened on the bottom to form the edge of the mortise. Primarily designed for mortising machines, it may also be used by hand. |
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