3022791

Information

• Patent Grant
• 3022791

• References
• Source

• Patent Number

  3,022,791

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1962
  63 years ago

• CPC

  • A47L15/242 - in a closed loop
  • B08B3/022 - Cleaning travelling work

• US Classifications

  • 134 - Cleaning and liquid contact with solids