3737243

Information

• Patent Grant
• 3737243

• References
• Source

• Patent Number

  3,737,243

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • E01C19/262 - pedestrian-controlled

• US Classifications

  • 404 - Road structure, process, or apparatus