1757356

Information

• Patent Grant
• 1757356

• References
• Source

• Patent Number

  1,757,356

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1930
  94 years ago

• CPC

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

• US Classifications

  • 134 - Cleaning and liquid contact with solids