DIFF Subgroup
G09F 13/08 using both translucent and non-translucent layers
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Illuminated signs; Luminous advertising > Signs, boards, or panels, illuminated from behind the insignia > using both translucent and non-translucent layers
CPC:
Illuminated signs; Luminous advertising (G09F9/00, G09F11/00 take precedence; control of displays in general using static means to present variable information G09G) > Signs, boards or panels, illuminated from behind the insignia > using both translucent and non-translucent layers
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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