3551267

Information

• Patent Grant
• 3551267

• References
• Source

• Patent Number

  3,551,267

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1970
  55 years ago

• CPC

  • D21H17/61 - Bitumen
  • D21H5/00 - Special paper or cardboard not otherwise provided for
  • D21H27/10 - Packing paper
  • D21H27/30 - Multi-ply
  • Y10T428/31815 - Of bituminous or tarry residue
  • Y10T428/31823 - Paper
  • Y10T442/3041 - Woven fabric comprises strips or ribbons only
  • Y10T442/3943 - Plural paper or wood pulp layers
  • Y10T442/3951 - Including a bituminous layer

• US Classifications

  • 442 - Fabric
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 206 - Special receptacle or package
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 428 - Stock material or miscellaneous articles