3531604

Information

• Patent Grant
• 3531604

• References
• Source

• Patent Number

  3,531,604

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1970
  54 years ago

• CPC

  • H01H35/42 - Switches operated by change of humidity
  • H01H3/022 - Emergency operating parts
  • H01H37/767 - Normally open
  • H01H2003/0233 - for alarm triggering

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 337 - Electricity: electrothermally or thermally actuated switches