Signs formed by electric discharge tubes (by selective lighting G09F9/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Signs formed by electric discharge tubes

CPC: Signs formed by electric discharge tubes (by selective lighting G09F9/00)

Full Title

Full titles differ between systems:

IPC:

Illuminated signs; Luminous advertising > Signs formed by electric discharge tubes

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 formed by electric discharge tubes (by selective lighting G09F9/00)

No child classifications to compare. This is a leaf node in both IPC and CPC.