2131605

Information

• Patent Grant
• 2131605

• References
• Source

• Patent Number

  2,131,605

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1938
  85 years ago

• CPC

  • H02H3/407 - using induction relays

• US Classifications

  • 361 - Electricity: electrical systems and devices