3899891

Information

• Patent Grant
• 3899891

• References
• Source

• Patent Number

  3,899,891

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • E02D5/523 - composed of segments
  • E02D5/58 - Prestressed concrete piles

• US Classifications

  • 405 - Hydraulic and earth engineering