1247654

Information

• Patent Grant
• 1247654

• References
• Source

• Patent Number

  1,247,654

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1917
  107 years ago

• CPC

  • A47L9/08 - with means adapted for blowing
  • A47L5/14 - cleaning by blowing-off, also combined with suction cleaning
  • A47L5/28 - Suction cleaners with handles and nozzles fixed on the casings
  • A47L7/06 - for supporting the suction cleaner on the exhaust air
  • A47L9/20 - Means for cleaning filters

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning