1565410

Information

• Patent Grant
• 1565410

• References
• Source

• Patent Number

  1,565,410

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1925
  100 years ago

• CPC

  • H01H47/12 - for biasing the electromagnet
  • Y10T307/826 - Electrical

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 246 - Railway switches and signals
  • 307 - Electrical transmission or interconnection systems