3505791

Information

• Patent Grant
• 3505791

• References
• Source

• Patent Number

  3,505,791

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  55 years ago

• CPC

  • A47L5/38 - Built-in suction cleaner installations
  • A47L9/19 - Means for monitoring filtering operation
  • Y10S55/08 - Built-in vacuum cleaners

• US Classifications

  • 096 - Gas separation: apparatus
  • 015 - Brushing, scrubbing, and general cleaning
  • 055 - Gas separation
  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical