1523726

Information

• Patent Grant
• 1523726

• References
• Source

• Patent Number

  1,523,726

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1925
  100 years ago

• CPC

  • B61L3/103 - Details of current transmitting conductors or contact brushes

• US Classifications

  • 246 - Railway switches and signals
  • 105 - Railway rolling stock
  • 191 - Electricity: transmission to vehicles