1432171

Information

• Patent Grant
• 1432171

• References
• Source

• Patent Number

  1,432,171

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1922
  102 years ago

• CPC

  • E01C11/185 - the reinforcements extending up to the surface

• US Classifications

  • 404 - Road structure, process, or apparatus