IPC Subgroup
H05B 3/44 heating conductor arranged within rods or tubes of insulating material
Introduced: September 1968
Last revised: January 2006
Full Title
Ohmic-resistance heating > Heating elements having the shape of rods or tubes > non-flexible > heating conductor arranged within rods or tubes of insulating material
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- Subclass:
- ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL