1663505

Information

• Patent Grant
• 1663505

• References
• Source

• Patent Number

  1,663,505

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1928
  96 years ago

• CPC

  • D21J1/00 - Fibreboard
  • Y10S220/09 - insulating materials
  • Y10S220/11 - Materials

• US Classifications

  • 162 - Paper making and fiber liberation
  • 220 - Receptacles
  • 473 - Games using tangible projectile