1657821

Information

• Patent Grant
• 1657821

• References
• Source

• Patent Number

  1,657,821

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1928
  97 years ago

• CPC

  • A47L15/33 - with moving baskets submerged in the cleaning fluid
  • Y10T74/19205 - Clutchable gears

• US Classifications

  • 074 - Machine element or mechanism
  • 134 - Cleaning and liquid contact with solids