3383992

Information

• Patent Grant
• 3383992

• References
• Source

• Patent Number

  3,383,992

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1968
  56 years ago

• CPC

  • E01C19/283 - pedestrian-controlled

• US Classifications

  • 404 - Road structure, process, or apparatus