1249442

Information

• Patent Grant
• 1249442

• References
• Source

• Patent Number

  1,249,442

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1917
  108 years ago

• CPC

  • E02D5/12 - Locking forms Edge joints Pile crossings Branch pieces

• US Classifications

  • 405 - Hydraulic and earth engineering