3628321

Information

• Patent Grant
• 3628321

• References
• Source

• Patent Number

  3,628,321

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  52 years ago

• CPC

  • D02G3/20 - from asbestos

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining