3858587

Information

• Patent Grant
• 3858587

• References
• Source

• Patent Number

  3,858,587

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • A24D3/06 - Use of materials for tobacco smoke filters
  • A24D1/004 - with a filter located between tobacco rods
  • A24D1/047 - extensible
  • A24D1/08 - with lighting means
  • A24D3/04 - Tobacco smoke filters characterised by their shape or structure
  • A24D3/163 - Carbon

• US Classifications

  • 131 - Tobacco