1740911

Information

• Patent Grant
• 1740911

• References
• Source

• Patent Number

  1,740,911

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1929
  95 years ago

• CPC

  • H01H73/42 - reset by rotatable knob or wheel

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets