2972221

Information

• Patent Grant
• 2972221

• References
• Source

• Patent Number

  2,972,221

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1961
  64 years ago

• CPC

  • C04B30/02 - containing fibrous materials
  • B28B1/52 - specially adapted for producing articles from mixtures containing fibres
  • D01H4/00 - Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers Piecing arrangements therefor Covering endless core threads with fibres by open-end spinning techniques
  • D02G3/20 - from asbestos
  • Y10S264/19 - Inorganic fiber

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 057 - Textiles: spinning, twisting, and twining