2331311

Information

• Patent Grant
• 2331311

• References
• Source

• Patent Number

  2,331,311

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1943
  81 years ago

• CPC

  • E02B7/08 - Wall dams

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 405 - Hydraulic and earth engineering