1639888

Information

• Patent Grant
• 1639888

• References
• Source

• Patent Number

  1,639,888

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1927
  97 years ago

• CPC

  • H01H37/36 - actuated due to expansion or contraction of a fluid with or without vaporisation
  • Y10S200/28 - Thermal spring snap

• US Classifications

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