3478719

Information

• Patent Grant
• 3478719

• References
• Source

• Patent Number

  3,478,719

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • G09D1/00 - Railway or like time or fare tables Indicating or reading aids therefor

• US Classifications

  • 116 - Signals and indicators
  • 434 - Education and demonstration