1891536

Information

• Patent Grant
• 1891536

• References
• Source

• Patent Number

  1,891,536

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1932
  91 years ago

• CPC

  • H01H7/14 - electromagnetic

• US Classifications

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