IPC Main Group
F21V 31/00 Gas-tight or water-tight arrangements
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
Related Keywords
GAS(ES) -tight lighting devicesSEALING of lighting devices against gas or waterWATER -tight lighting devices
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F21V 31/03 with provision for venting
- F21V 31/04 Provision of filling media