1779982

Information

• Patent Grant
• 1779982

• References
• Source

• Patent Number

  1,779,982

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1930
  94 years ago

• CPC

  • B61L21/065 - for signals, including signals actuated by the vehicle

• US Classifications

  • 246 - Railway switches and signals