757030

Information

• Patent Grant
• 757030

• References
• Source

• Patent Number

  757,030

• Date Filed

  Not available

• Date Issued

  Tuesday, April 12, 1904
  120 years ago

• CPC

  • H01H53/12 - Ferraris relays

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 340 - Communications: electrical
  • 341 - Coded data generation or conversion