3720578

Information

• Patent Grant
• 3720578

• References
• Source

• Patent Number

  3,720,578

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  52 years ago

• CPC

  • D21F1/0027 - Screen-cloths
  • B30B9/20 - using rotary pressing members, other than worms or screws
  • B30B9/265 - Press cloths
  • D21F11/008 - Making apertured paper
  • D21J5/00 - Manufacture of hollow articles by transferring sheets, produced from fibre suspensions or papier-mâchè by suction on wire-net moulds, to couch-moulds
  • Y10S162/07 - Water collectors

• US Classifications

  • 162 - Paper making and fiber liberation
  • 028 - Textiles: manufacturing