1520499

Information

• Patent Grant
• 1520499

• References
• Source

• Patent Number

  1,520,499

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1924
  100 years ago

• CPC

  • H01H37/60 - Means for producing snap action
  • Y10S200/28 - Thermal spring snap

• US Classifications

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