3608445

Information

• Patent Grant
• 3608445

• References
• Source

• Patent Number

  3,608,445

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1971
  53 years ago

• CPC

  • E01C23/0986 - with preformed elements

• US Classifications

  • 404 - Road structure, process, or apparatus