3670506

Information

• Patent Grant
• 3670506

• References
• Source

• Patent Number

  3,670,506

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • D04H3/011 - Polyesters
  • D04H3/007 - Addition polymers
  • D04H3/11 - by fluid jet
  • D04H3/16 - with bonds between thermoplastic filaments produced in association with filament formation
  • E01C3/06 - Methods or arrangements for protecting foundations from destructive influence of moisture, frost or vibration
  • E02D3/00 - Improving or preserving soil or rock
  • E01B2204/05 - Use of geotextiles

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 404 - Road structure, process, or apparatus