655474

Information

• Patent Grant
• 655474

• References
• Source

• Patent Number

  655,474

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1900
  125 years ago

• CPC

  • A47L15/04 - by reciprocating movement of the cleaning chamber

• US Classifications

  • 134 - Cleaning and liquid contact with solids