IPC Subgroup
H01H 29/08 Means for introducing a predetermined time delay
Introduced: September 1968
Last revised: January 2006
Full Title
Switches having at least one liquid contact > Details > Means for introducing a predetermined time delay
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
1 direct subcode
Child Classifications
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- H01H 29/1 by constricting the flow of the contact liquid