1815743

Information

• Patent Grant
• 1815743

• References
• Source

• Patent Number

  1,815,743

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1931
  93 years ago

• CPC

  • D01H13/182 - by raising or lifting of one of the drafting cylinders

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining