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US Patent: 329,353
Attachment for Squares
Attachment to Squares
William S. Winterbottom - Philadelphia, PA

USPTO Classifications:

Tool Categories:
layout tools : squares : try squares


Not known to have been produced

John A. Wiedersheim
A. P. Grant

Patent Dates:
Applied: Feb. 26, 1885
Granted: Oct. 27, 1885
Antedated: Oct. 27, 1885

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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An add-on attachment to a Try-Square allowing for the measuremnt of angles other than 90 degrees. William S. Winterbottom was the brother to Charles Winterbottom (famous for Winterbottom's patent Try-Square and Bevel, patent # 91892, that was eventually bought out and manufactured by the Stanley Rule & Level Co.). No known examples.

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