Screens not covered by groups , , or

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

LIGHTING

Subclass:

FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR

Child Classifications

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• F21V 11/02 using parallel laminae or strips, e.g. of Venetian-blind type
• F21V 11/06 using crossed laminae or strips; using lattices or honeycombs
• F21V 11/08 using diaphragms containing one or more apertures
• F21V 11/16 using sheets without apertures, e.g. fixed