3415063

Information

• Patent Grant
• 3415063

• References
• Source

• Patent Number

  3,415,063

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1968
  56 years ago

• CPC

  • E21D11/08 - with preformed concrete slabs
  • E21D5/11 - with combinations of different materials
  • E21D11/14 - Lining predominantly with metal
  • E21D11/15 - Plate linings Laggings

• US Classifications

  • 405 - Hydraulic and earth engineering