IPC Subgroup
H01H 37/62 Means other than thermal means for introducing a predetermined time delay
Introduced: September 1968
Last revised: January 2006
Full Title
Thermally-actuated switches > Details > Means other than thermal means for introducing a predetermined time delay
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES