2633779

Information

• Patent Grant
• 2633779

• References
• Source

• Patent Number

  2,633,779

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1953
  71 years ago

• CPC

  • D21F1/46 - Dandy rolls

• US Classifications

  • 162 - Paper making and fiber liberation
  • 015 - Brushing, scrubbing, and general cleaning