1981517

Information

• Patent Grant
• 1981517

• References
• Source

• Patent Number

  1,981,517

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1934
  90 years ago

• CPC

  • A24C5/399 - Component parts or details

• US Classifications

  • 131 - Tobacco
  • 019 - Textiles: fiber preparation