1989439

Information

• Patent Grant
• 1989439

• References
• Source

• Patent Number

  1,989,439

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1935
  89 years ago

• CPC

  • D01H5/82 - Arrangements for coupling roller sections
  • D01H2700/245 - Conception or fabrication of drafting cylinders

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 492 - Roll or roller