2922218

Information

• Patent Grant
• 2922218

• References
• Source

• Patent Number

  2,922,218

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1960
  65 years ago

• CPC

  • B08B9/021 - Cleaning pipe ends or pipe fittings
  • F16L2101/12 - Cleaning
  • Y10T407/1805 - Flexible blade or carrier therefor

• US Classifications

  • 407 - Cutters, for shaping
  • 015 - Brushing, scrubbing, and general cleaning
  • 131 - Tobacco
  • 451 - Abrading
  • D08 - Tools and hardware