3428506

Information

• Patent Grant
• 3428506

• References
• Source

• Patent Number

  3,428,506

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  55 years ago

• CPC

  • B01D39/1623 - of synthetic origin
  • B01D39/04 - Organic material
  • D04H13/003 - strengthened or consolidated by mechanical methods
  • B01D2239/065 - More than one layer present in the filtering material
  • B01D2239/0659 - The layers being joined by needling
  • B01D2239/1291 - Other parameters
  • D10B2503/041 - Carpet backings
  • Y10S264/47 - Processes of splitting film, webs or sheets
  • Y10T156/1052 - with cutting, punching, tearing or severing
  • Y10T428/24116 - Oblique to direction of web

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 028 - Textiles: manufacturing
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles