US Patent: 1,488,916 - Folding Square and Protractor


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US Patent: 1,488,916

Combination Tool
Folding Square and Protractor

Patentee:

Anthony George (exact or similar names) - Grenora, ND

USPTO Classifications:

33/275R, 33/426, 33/458, 33/459

Tool Categories:

combination tools

layout tools : levels

layout tools : squares

layout tools : protractors

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 03, 1922
Granted:	Apr. 01, 1924

Patent Pictures:

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Description:

This tool combines a sighting level with a square and protractor, all in a single fold-up tool. That fact that the patent was granted on April Fool's Day should tell you something.