1805975

Information

• Patent Grant
• 1805975

• References
• Source

• Patent Number

  1,805,975

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1931
  93 years ago

• CPC

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

• US Classifications

  • 405 - Hydraulic and earth engineering