3855665

Information

• Patent Grant
• 3855665

• References
• Source

• Patent Number

  3,855,665

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • A47L9/2894 - Details related to signal transmission in suction cleaners
  • A47L9/2842 - Suction motors or blowers
  • A47L9/2857 - User input or output elements for control
  • H02P7/285 - controlling armature supply only
  • H02P25/14 - Universal motors
  • Y10S388/919 - Triggered by resistor or capacitor

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 323 - Electricity: power supply or regulation systems