3766881

Information

• Patent Grant
• 3766881

• References
• Source

• Patent Number

  3,766,881

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1973
  51 years ago

• CPC

  • B60Q7/005 - Devices without lamps
  • Y10S40/903 - Reflective triangle for highway use

• US Classifications

  • 116 - Signals and indicators
  • 040 - Card, picture, or sign exhibiting
  • 359 - Optical: systems and elements
  • 404 - Road structure, process, or apparatus