US Patent: 523,022


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US Patent: 523,022

Level

Patentee:

Justus A. Traut (exact or similar names) - New Britain, CT

USPTO Classifications:

33/379

Tool Categories:

layout tools : levels

Assignees:

None

Manufacturer:

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

Witnesses:

Francis A. Richards

Fred J. Dole

Robt. H. Ruddell

Patent Dates:
Applied:	Feb. 03, 1894
Granted:	Jul. 17, 1894

Patent Pictures:

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Description:

This design adds a couple of small projections to the underside of the vial cover, to allow the centerline to be clearly visible when viewing from the side.