1456080

Information

• Patent Grant
• 1456080

• References
• Source

• Patent Number

  1,456,080

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1923
  101 years ago

• CPC

  • E01C5/12 - made of units with bituminous binders or from bituminous material

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 238 - Railways: surface track