IPC Subgroup
G09F 19/2 with colour-mixing effects
Introduced: September 1968
Last revised: January 2006
Full Title
Advertising or display means not otherwise provided for > using special optical effects > with colour-mixing effects
Classification Context
- Section:
- PHYSICS
- Class:
- EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- Subclass:
- DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS