408078

Information

• Patent Grant
• 408078

• References
• Source

• Patent Number

  408,078

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1889
  135 years ago

• CPC

  • B60M1/135 - composite
  • H01C10/16 - including plural resistive elements
  • Y10T16/379 - Tracks

• US Classifications

  • 238 - Railways: surface track
  • 016 - Miscellaneous hardware