IPC Subgroup
G09F 23/16 on clocks, e.g. controlled by the clock mechanism
Introduced: September 1968
Last revised: January 2006
Full Title
Advertising on or in specific articles, e.g. ashtrays, letter-boxes > on clocks, e.g. controlled by the clock mechanism
Classification Context
- Section:
- PHYSICS
- Class:
- EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- Subclass:
- DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS