2345644

Information

• Patent Grant
• 2345644

• References
• Source

• Patent Number

  2,345,644

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1944
  80 years ago

• CPC

  • E01F9/578 - consisting of preformed elements
  • E01F9/506 - characterised by the road surface marking material
  • E01F9/541 - Kerbs
  • E01F9/619 - with reflectors with means for keeping reflectors clean

• US Classifications

  • 359 - Optical: systems and elements
  • 404 - Road structure, process, or apparatus