Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F21
LIGHTING
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F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
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1/00
Shades for light sources; , i.e. lampshades for table, floor, wall or ceiling lamps
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F21V1/14
Covers for frames; Frameless shades
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F21V1/143
The cover being attached to a supporting lampshade frame
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