IPC Subgroup
F21W 111/04 for waterways
Introduced: January 2000
Last revised: January 2006
Full Title
Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in groups > for waterways
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- INDEXING SCHEME ASSOCIATED WITH SUBCLASSES , , and , RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
2 direct subcodes
Child Classifications
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- F21W 111/043 for lighthouses or lightships
- F21W 111/047 for light-buoys