1873544

Information

• Patent Grant
• 1873544

• References
• Source

• Patent Number

  1,873,544

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1932
  92 years ago

• CPC

  • H01H37/004 - with thermal image

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches