280046

Information

• Patent Grant
• 280046

• References
• Source

• Patent Number

  280,046

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1883
  141 years ago

• CPC

  • B61L1/20 - Safety arrangements for preventing or indicating malfunction of the device
  • Y10S200/10 - Curb, bumper and fender

• US Classifications

  • 246 - Railway switches and signals
  • 040 - Card, picture, or sign exhibiting
  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical