3851477

Information

• Patent Grant
• 3851477

• References
• Source

• Patent Number

  3,851,477

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  50 years ago

• CPC

  • E02B3/129 - Polyhedrons, tetrapods or similar bodies, whether or not threaded on strings

• US Classifications

  • 405 - Hydraulic and earth engineering