(under the class definition) Structure including a material that permits the passage of light and which material is embedded in but visible at a face of the embedding material
or is a facing for or forms a glass block, i.e., a unit which has inherent stability against overturning as opposed to a glass pane.
SEE OR SEARCH THIS CLASS, SUBCLASS:
80.1+, for a compound curve cover, e.g., dome roof or skylight.
104, for a marker or monument including a translucent feature.
133, for a burial vault with a viewing feature.
171.1+, 203, 204+, 204.591+, 304, and 624+, for various constructions wherein a panel is often a glass pane. SEE OR SEARCH CLASS
359, Optics: Systems (Including Communication) and Elements,
591+, for elements to illuminate the interior of buildings with outside light.
428, Stock Material or Miscellaneous Articles,
67, for an article having an element embedded therein and which is visible.
