2890493

Information

• Patent Grant
• 2890493

• References
• Source

• Patent Number

  2,890,493

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1959
  65 years ago

• CPC

  • D21H5/2614 - Detachment of the fibres from their compressed state
  • D21B1/066 - the raw material being pulp sheets
  • D21H11/14 - Secondary fibres

• US Classifications

  • 019 - Textiles: fiber preparation
  • 241 - Solid material comminution or disintegration