3800520

Information

• Patent Grant
• 3800520

• References
• Source

• Patent Number

  3,800,520

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • D01H4/32 - using opening rollers
  • D01H4/30 - Arrangements for separating slivers into fibres Orienting or straightening fibres

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining