1539293

Information

• Patent Grant
• 1539293

• References
• Source

• Patent Number

  1,539,293

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1925
  99 years ago

• CPC

  • H01H35/183 - making use of a thermal switch

• US Classifications

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