3773883

Information

• Patent Grant
• 3773883

• References
• Source

• Patent Number

  3,773,883

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • A24D3/04 - Tobacco smoke filters characterised by their shape or structure
  • A24D3/0283 - with means for a non-axial smoke flow

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 131 - Tobacco