2649100

Information

• Patent Grant
• 2649100

• References
• Source

• Patent Number

  2,649,100

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1953
  71 years ago

• CPC

  • A47L15/242 - in a closed loop

• US Classifications

  • 134 - Cleaning and liquid contact with solids