US Patent: 453,452 - Hand-y Groove


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US Patent: 453,452

Spirit Level
Hand-y Groove

Patentee:

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

USPTO Classifications:

33/381

Tool Categories:

layout tools : levels : wooden levels

Assignees:

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

Manufacturer:

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

Witnesses:

H. S. Walter

Chas B. Stanley

Patent Dates:
Applied:	Jan. 28, 1891
Granted:	Jun. 02, 1891

Patent Pictures:

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Description:

Advertised as the "Hand-y" groove. Uses a longitudinal groove on the level body to make it easier to grasp and use as well as making the body less likely to warp.