US Patent: 305,920 - Marker for Weather-Boards, Flooring, and Jambs


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US Patent: 305,920

Marker for Weather-Boards, Flooring, and Jambs

Patentee:

John Hamm (exact or similar names) - Memphis, KS

USPTO Classifications:

33/411

Tool Categories:

layout tools : scribes : clapboard markers

layout tools : squares : miter squares

layout tools : squares : bevel squares

layout tools : squares

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jul. 09, 1884
Granted:	Sep. 30, 1884

Patent Pictures:

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Description:

This is a real gadget-- it is a basic scribe hook, but with a cutting knife on each side to save the user the drudgery of having to turn the turn the tool end-fo-end when marking opposite ends of the board.

Even more amazing, the tool is split in half and hinged, with a sliding pivot arm to hold the arms at a specified angle. This allows the same tool to be used as a try square, miter square, or bevel gage, and still take advantage of hte sliding knives.