Transparent measuring device

Geometrical instruments – Gauge – Template

Reexamination Certificate

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Details

C033S0010BB, C033S494000

Reexamination Certificate

active

07000329

ABSTRACT:
A transparent measuring device is disclosed. The transparent measuring device includes a planar structure formed from a sheet of transparent material having a top surface and a bottom surface and at least one raised rib formed of a transparent material on the top surface of the planar structure such that incident light is reflected/refracted on the raised rib to provide a visual graduation. The raised ribs include a top surface that may be colored such that the raised rib forms a dual-line graduation.

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