1958640

Information

• Patent Grant
• 1958640

• References
• Source

• Patent Number

  1,958,640

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1934
  90 years ago

• CPC

  • H01H51/02 - Non-polarised relays

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 361 - Electricity: electrical systems and devices