2226630

Information

• Patent Grant
• 2226630

• References
• Source

• Patent Number

  2,226,630

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1940
  84 years ago

• CPC

  • A47L9/102 - Dust separators
  • A47L5/14 - cleaning by blowing-off, also combined with suction cleaning
  • A47L9/08 - with means adapted for blowing
  • A47L9/1409 - Rigid filtering receptacles
  • A47L9/20 - Means for cleaning filters
  • Y10S15/08 - Dust bags and separators
  • Y10S55/03 - Vacuum cleaner

• US Classifications

  • 055 - Gas separation
  • 015 - Brushing, scrubbing, and general cleaning