• All sections
• H - Electricity
• H01H - Electric switches; relays; selectors; emergency protective devices
• H01H 13/74 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position each contact set returning to its original state only upon actuation of another of the operating members

Patent holdings for IPC class H01H 13/74

Total number of patents in this class: 2

10-year publication summary

Principal owners for this class