DIFF Subgroup
G09F 21/20 illuminated
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Mobile visual advertising > by ships or other floating means > illuminated
CPC:
Mobile visual advertising (combined visual and audible advertising G09F27/00) > by ships or other floating means > illuminated
No child classifications to compare. This is a leaf node in both IPC and CPC.