3889022

Information

• Patent Grant
• 3889022

• References
• Source

• Patent Number

  3,889,022

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • A47C31/001 - Fireproof means
  • B68G3/00 - Treating materials to adapt them specially as upholstery filling
  • Y10S428/921 - Fire or flameproofing
  • Y10T442/2648 - Coating or impregnation is specified as an intumescent material

• US Classifications

  • 442 - Fabric
  • 428 - Stock material or miscellaneous articles