498336

Information

• Patent Grant
• 498336

• References
• Source

• Patent Number

  498,336

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1893
  131 years ago

• CPC

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

• US Classifications

  • 238 - Railways: surface track