3830990

Information

• Patent Grant
• 3830990

• References
• Source

• Patent Number

  3,830,990

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • B60L5/22 - Supporting means for the contact bow
  • B60L2200/26 - Rail vehicles

• US Classifications

  • 191 - Electricity: transmission to vehicles