2654439

Information

• Patent Grant
• 2654439

• References
• Source

• Patent Number

  2,654,439

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1953
  71 years ago

• CPC

  • A47L9/2889 - Safety or protection devices or systems
  • A47L9/1481 - Means for removing bags in suction cleaners
  • A47L9/19 - Means for monitoring filtering operation
  • A47L9/2821 - Pressure, vacuum level or airflow
  • A47L9/2842 - Suction motors or blowers
  • Y10T74/20588 - toggle
  • Y10T292/288 - Swinging catch

• US Classifications

  • 096 - Gas separation: apparatus
  • 074 - Machine element or mechanism
  • 220 - Receptacles
  • 292 - Closure fasteners