1350556

Information

• Patent Grant
• 1350556

• References
• Source

• Patent Number

  1,350,556

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1920
  104 years ago

• CPC

  • E21D11/14 - Lining predominantly with metal

• US Classifications

  • 405 - Hydraulic and earth engineering