1543753

Information

• Patent Grant
• 1543753

• References
• Source

• Patent Number

  1,543,753

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1925
  99 years ago

• CPC

  • H01H61/08 - wherein the make-to-break ratio is varied by hand setting or current strength

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches