3657069

Information

• Patent Grant
• 3657069

• References
• Source

• Patent Number

  3,657,069

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • D21H23/50 - Spraying or projecting
  • D21F1/48 - Suction apparatus
  • D21H5/0047 - by spraying or projecting

• US Classifications

  • 162 - Paper making and fiber liberation
  • 008 - Bleaching and dyeing
  • 034 - Drying and gas or vapor contact with solids