142179

Information

• Patent Grant
• 142179

• References
• Source

• Patent Number

  142,179

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1873
  152 years ago

• CPC

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

• US Classifications

  • 238 - Railways: surface track
  • 178 - Telegraphy