1905397

Information

• Patent Grant
• 1905397

• References
• Source

• Patent Number

  1,905,397

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1933
  91 years ago

• CPC

  • D21J1/16 - Special fibreboard
  • Y10T428/31823 - Paper
  • Y10T442/157 - Two or more paper layers

• US Classifications

  • 442 - Fabric
  • 404 - Road structure, process, or apparatus
  • 428 - Stock material or miscellaneous articles