2148783

Information

• Patent Grant
• 2148783

• References
• Source

• Patent Number

  2,148,783

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1939
  85 years ago

• CPC

  • E21D11/10 - with concrete cast in situ Shuttering also lost shutterings
  • E21D11/157 - Laggings making use of fluid cushions

• US Classifications

  • 405 - Hydraulic and earth engineering