2291774

Information

• Patent Grant
• 2291774

• References
• Source

• Patent Number

  2,291,774

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1942
  82 years ago

• CPC

  • B65H71/002 - Abrading, scraping
  • B65H2701/31 - Textiles threads or artificial strands of filaments

• US Classifications

  • 057 - Textiles: spinning, twisting, and twining
  • 451 - Abrading