using both translucent and non-translucent layers

Introduced: September 1968

Last revised: January 2006

Full Title

Illuminated signs; Luminous advertising > Signs, boards, or panels, illuminated from behind the insignia > using both translucent and non-translucent layers

Classification Context

Section:: PHYSICS
Class:: EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
Subclass:: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS

1 direct subcode

Child Classifications

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G09F 13/1 using transparencies