1731231

Information

• Patent Grant
• 1731231

• References
• Source

• Patent Number

  1,731,231

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1929
  96 years ago

• CPC

  • E01C19/4826 - the materials being aggregate mixed with binders

• US Classifications

  • 404 - Road structure, process, or apparatus