3844877

Information

• Patent Grant
• 3844877

• References
• Source

• Patent Number

  3,844,877

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  50 years ago

• CPC

  • D21H27/30 - Multi-ply
  • D21H13/50 - Carbon fibres
  • D21H17/28 - Starch
  • D21H17/48 - with phenols
  • D21H17/52 - Epoxy resins
  • D21H17/61 - Bitumen
  • Y10T428/30 - Self-sustaining carbon mass or layer with impregnant or other layer
  • Y10T442/59 - At least three layers

• US Classifications

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