3839136

Information

• Patent Grant
• 3839136

• References
• Source

• Patent Number

  3,839,136

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1974
  50 years ago

• CPC

  • D21F7/083 - Multi-layer felts
  • D03D25/00 - Woven fabrics not otherwise provided for
  • D03D2700/0162 - Paper making felts
  • Y10T442/3081 - Core is synthetic polymeric material
  • Y10T442/3724 - Needled

• US Classifications

  • 442 - Fabric
  • 028 - Textiles: manufacturing