3831384

Information

• Patent Grant
• 3831384

• References
• Source

• Patent Number

  3,831,384

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • E21F15/02 - Supporting means
  • C08L51/04 - grafted on to rubbers

• US Classifications

  • 405 - Hydraulic and earth engineering