2774323

Information

• Patent Grant
• 2774323

• References
• Source

• Patent Number

  2,774,323

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • E01F9/602 - Upright or projecting signs or signals permanently installed directly on or in the roadway and designed to be depressed by rolling or other loads and then to return to normal position

• US Classifications

  • 116 - Signals and indicators
  • 404 - Road structure, process, or apparatus