1682353

Information

• Patent Grant
• 1682353

• References
• Source

• Patent Number

  1,682,353

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1928
  96 years ago

• CPC

  • B61L29/222 - using conductor circuits with separate contacts or conductors

• US Classifications

  • 049 - Movable or removable closures
  • 191 - Electricity: transmission to vehicles
  • 246 - Railway switches and signals