3649348

Information

• Patent Grant
• 3649348

• References
• Source

• Patent Number

  3,649,348

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • D21H27/00 - Special paper not otherwise provided for
  • D21H5/0072 - Anti-slip papers
  • D21H19/40 - siliceous
  • Y10T428/259 - Silicic material

• US Classifications

  • 428 - Stock material or miscellaneous articles