1806831

Information

• Patent Grant
• 1806831

• References
• Source

• Patent Number

  1,806,831

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1931
  94 years ago

• CPC

  • B61L25/065 - for signalling systems on the vehicle using current conduction

• US Classifications

  • 200 - Electricity: circuit makers and breakers