3818710

Information

• Patent Grant
• 3818710

• References
• Source

• Patent Number

  3,818,710

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • E21D11/083 - Methods or devices for joining adjacent concrete segments
  • E21D11/04 - Lining with building materials
  • E21D11/385 - Sealing means positioned between adjacent lining members
  • E21D11/40 - Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries

• US Classifications

  • 405 - Hydraulic and earth engineering