US Patent: 36,906 - Improvement in Spirit-Levels


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US Patent: 36,906

Improvement in Spirit-Levels

Patentee:

Thomas N. Hosmer (exact or similar names) - Todd's Valley, CA

USPTO Classifications:

33/383, 33/385

Tool Categories:

layout tools : levels : level adjustments

Assignees:

None

Manufacturer:

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

Witnesses:

Patent Dates:
Granted:	Nov. 11, 1862

Patent Pictures: [ 1 | 2 ]

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Description:

This patent covers a design for replaceable vials in a level, as well as the adjustment of the level vial while the level is assembled. This design was used on several early Stanley levels.