US Patent: 1,425,133 - Straight-Line Guide for the Handles of Compasses


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US Patent: 1,425,133

Straight-Line Guide for the Handles of Compasses

Patentee:

August Renzelberg (exact or similar names) - Nuremburg, Germany

USPTO Classifications:

33/558.5

Tool Categories:

layout tools : compasses

Assignees:

Reichzeugfabrik Eichmuller & Co. - Nuremburg, Germany

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 15, 1921
Granted:	Aug. 08, 1922

Patent Pictures:

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Description:

This is a complicated design for drafting compass handles, which ensures that the handle of the compass is always exactly centered between the points.