DIFF Subgroup
H01H 1/54 by magnetic force
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Contacts > Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position > by magnetic force
CPC:
Contacts (liquid contacts H01H29/04) > Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position > by magnetic force
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
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