1521793

Information

• Patent Grant
• 1521793

• References
• Source

• Patent Number

  1,521,793

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  99 years ago

• CPC

  • H01H3/022 - Emergency operating parts
  • H01H2003/0233 - for alarm triggering

• US Classifications

  • 200 - Electricity: circuit makers and breakers