3097727

Information

• Patent Grant
• 3097727

• References
• Source

• Patent Number

  3,097,727

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1963
  61 years ago

• CPC

  • E21D11/20 - Special cross- sections

• US Classifications

  • 052 - Static structures
  • 405 - Hydraulic and earth engineering