Surface cleaning device employing liquid cleaning agent

• US 2,506,077 A
• Filed: 03/01/1945
• Issued: 05/02/1950
• Est. Priority Date: 03/01/1945
• Status: Expired due to Term

• Current Assignee: Vernon H. Goldsmith
• Original Assignee: Vernon H. Goldsmith
• Inventors: Goldsmith, Vernon H.
• Application Number:
  US02/580,313
• Time in Patent Office: 1,888 Days
• US Class Current: 15/322
• CPC Class Codes: A47L 11/30 by suction
• CPC Class Codes: A47L 11/40 Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
• CPC Class Codes: A47L 11/4036 Parts or details of the surface treating tools
• CPC Class Codes: A47L 11/4075 Handles; levers
• CPC Class Codes: A47L 11/4088 Supply pumps; Spraying devices; Supply conduits

Claims