US Patent: 1,211,882 - Spirit-Level


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US Patent: 1,211,882

Spirit-Level

Patentee:

Edmund A. Schade (exact or similar names) - New Britain, CT

USPTO Classifications:

33/385

Tool Categories:

layout tools : levels : metallic levels

layout tools : levels : level adjustments

Assignees:

The Stanley Rule & Level Co. - New Britain, CT

Manufacturer:

The Stanley Rule & Level Co. - New Britain, CT

Witnesses:

Unknown

Patent Dates:
Applied:	Jun. 07, 1916
Granted:	Jan. 09, 1917

Patent Pictures:

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Description:

This is a simple machinist level with a screw adjustment and rotating vial cover. It was produced in large quantities by Stanley for many years. Early versions are often found with the patent number marked on the vial cover.