2169406

Information

• Patent Grant
• 2169406

• References
• Source

• Patent Number

  2,169,406

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1939
  85 years ago

• CPC

  • E01C19/463 - Bituminous mixtures of which at least part of the solid ingredients has previously been deposited on the surface

• US Classifications

  • 404 - Road structure, process, or apparatus