US Patent: 363,140 - Spirit Level


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US Patent: 363,140

Spirit Level

Patentee:

John Holly (exact or similar names) - Rouseville, Venango County, PA

USPTO Classifications:

33/398

Tool Categories:

layout tools : levels : spirit levels

layout tools : levels : inclinometers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 26, 1887
Granted:	May 17, 1887

Patent Pictures:

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Description:

Claim:

This invention relates to improvements in spirit-levels and it consists in the arrange nent and construction of the parts, whereby ,he angle of inclination is marked upon a graduated scale , greater accuracy is attained, and the parts can be adjusted and taken apart.