1817143

Information

• Patent Grant
• 1817143

• References
• Source

• Patent Number

  1,817,143

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1931
  93 years ago

• CPC

  • D01H1/422 - Separator plates

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining