3457577

Information

• Patent Grant
• 3457577

• References
• Source

• Patent Number

  3,457,577

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1969
  55 years ago

• CPC

  • A24F19/0021 - comprising self-cleaning means

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 131 - Tobacco