1907692

Information

• Patent Grant
• 1907692

• References
• Source

• Patent Number

  1,907,692

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1933
  92 years ago

• CPC

  • A47L5/34 - with height adjustment of nozzles or dust-loosening tools
  • Y10S15/11 - Indicators

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 116 - Signals and indicators