US Patent: 1,417,496 - Sighting Level


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US Patent: 1,417,496

Hand Level
Sighting Level

Patentee:

James H. Carmean (exact or similar names) - Kansas City, MO

USPTO Classifications:

33/377

Tool Categories:

layout tools : levels

trade specific : surveyor

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 29, 1920
Granted:	May 30, 1922

Patent Pictures:

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Description:

This is a simple design for a surveyor's sighting level. It uses a U-shaped level vial in a tube-- the user looks through the tube and lines up both ends of the liquid in the tube with the distant object.