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US 4,541,801 AGranted
Color scale palette
AssigneeKulzer GmbH
InventorsWilhelm Mackert, Karlheinz Matthay
Life of this patent
Estimating the term…
Abstract
A color scale palette has color sample rods tinted all along their lengths from a stem in a frame to the other end projecting from the frame. The frame has a window for exposing a portion of the color sample rods and, for example, a color key, and studs cooperative with a bore through the stem end of each color sample rod for snapping it into the frame. The bore is preferably a funnel-shaped for shadow-free as well as juxtaposed color comparisons.
Claims20
A color scale palette, especially for selecting a dental material, comprising:
- color rods each being tinted a different color all along its length and having a bore through one, stem end for color comparision therethrough;
- and
- a frame for removably receiving the stem end of each color rod with the other ends of the rods projecting from the frame, the frame having guides, cover and back plates spacedly connected to each other by the guides between each pair of the color rods for, together, guiding the stem ends of the color rods into the frame with the other ends of the color rods projecting from the frame, and a stud which snaps into the bore through the stem end of each color rod when so guided into the frame.
Dependencies are inferred from the claim text.