1677302

Information

• Patent Grant
• 1677302

• References
• Source

• Patent Number

  1,677,302

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1928
  96 years ago

• CPC

  • H02H3/407 - using induction relays

• US Classifications

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