470532

Information

• Patent Grant
• 470532

• References
• Source

• Patent Number

  470,532

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1892
  132 years ago

• CPC

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

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 346 - Recorders