US Patent: 2,362,234 - Device for Marking Powder Lines


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US Patent: 2,362,234

Device for Marking Powder Lines

Patentee:

Winslow H. Barger (exact or similar names) - Seattle, WA

USPTO Classifications:

118/301, 222/161, 33/33

Tool Categories:

layout tools : scribes : clapboard markers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Apr. 04, 1944
Granted:	Nov. 07, 1944

Patent Pictures:

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Description:

This is a really unusual take on the traditional clapboard marker. Instead of the usual scratch or pencil line, the marker uses powdered chalk to mark the line.