Geometrical instruments – Gauge – Template
Reexamination Certificate
2006-02-21
2006-02-21
Smith, R Alexander (Department: 2859)
Geometrical instruments
Gauge
Template
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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