1906798

Information

• Patent Grant
• 1906798

• References
• Source

• Patent Number

  1,906,798

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1933
  91 years ago

• CPC

  • A24C5/465 - the paper tubes partially containing a filter element

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 131 - Tobacco