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US Patent: 2,724,295
Quick change vise having having jaw supportable on flat surface of a machine tool and a spindle adjustable and lockable in plane parallel to said surface
Henry Persson - Bloomfield, NJ

USPTO Classifications:
269/211, 269/212, 269/215, 269/78

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press accessories
work holding : vises : metalworking machine vises

Float-Lock Corp. - Bloomfield, NJ

American Machine & Foundry Co. - New York, NY


Patent Dates:
Applied: Oct. 30, 1952
Granted: Nov. 22, 1955

Patent Pictures:
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"Vintage Machinery" entry for American Machine & Foundry Co.
This patent contains improvements to the Float-Lock vise of patent 2,552,580, which was reissued as RE23,519.

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