2721811

Information

• Patent Grant
• 2721811

• References
• Source

• Patent Number

  2,721,811

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1955
  69 years ago

• CPC

  • D06M15/564 - Polyureas, polyurethanes or other polymers having ureide or urethane links Precondensation products forming them
  • Y10S8/21 - Nylon
  • Y10S36/02 - Plastic
  • Y10S57/907 - Foamed and/or fibrillated
  • Y10T442/179 - Nylon fiber
  • Y10T442/2344 - Coating or impregnation is anti-slip or friction-increasing other than specified as an abrasive

• US Classifications

  • 442 - Fabric
  • 008 - Bleaching and dyeing
  • 028 - Textiles: manufacturing
  • 036 - Boots, shoes, and leggings
  • 057 - Textiles: spinning, twisting, and twining
  • 427 - Coating processes
  • 521 - Synthetic resins or natural rubbers