3497409

Information

• Patent Grant
• 3497409

• References
• Source

• Patent Number

  3,497,409

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1970
  54 years ago

• CPC

  • B31F1/2886 - Additionally reinforcing
  • D21J1/08 - Impregnated or coated fibreboard
  • Y10T156/103 - Encasing or enveloping the configured lamina
  • Y10T428/24537 - Parallel ribs and/or grooves
  • Y10T428/24579 - with particulate matter

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 428 - Stock material or miscellaneous articles