Disposable dust receptacle for brush type carpet sweepers

• US 2,227,104 A
• Filed: 09/05/1939
• Issued: 12/31/1940
• Est. Priority Date: 09/05/1939
• Status: Expired due to Term

• Current Assignee: George M. Parker
• Original Assignee: George M. Parker
• Inventors: Parker, George M.
• Application Number:
  US02/293,422
• Time in Patent Office: 483 Days
• US Class Current: 15/41.1
• CPC Class Codes: A47L 11/22 Floor-sweeping machines, hand-driven
• CPC Class Codes: A47L 11/33 having means for storing dirt
• CPC Class Codes: A47L 11/4013 Contaminants collecting devices, i.e. hoppers, tanks or the like
• CPC Class Codes: A47L 11/4025 Means for emptying
• CPC Class Codes: A47L 11/4041 Roll shaped surface treating tools
• CPC Class Codes: A47L 11/4072 Arrangement of castors or wheels

Claims