VACUUM CLEANING SYSTEM WITH WASTE COLLECTION REMOTE FROM SUCTION FAN

• US 3,543,325 A
• Filed: 12/22/1967
• Issued: 12/01/1970
• Est. Priority Date: 12/22/1967
• Status: Expired due to Term

• Current Assignee: Benjamin Electric Manufacturing Company
• Original Assignee: James C. Hamrick
• Inventors: Hamrick, James C.
• Application Number:
  US04/692,967
• Time in Patent Office: 1,075 Days
• US Class Current: 15/314
• CPC Class Codes: A47L 5/38 Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected
• CPC Class Codes: A47L 9/102 Dust separators cyclones A47L9/16
• CPC Class Codes: A47L 9/1608 Cyclonic chamber constructions
• CPC Class Codes: A47L 9/165 Construction of inlets
• CPC Class Codes: A47L 9/1666 with filtering means
• CPC Class Codes: Y10S 55/08 Built-in vacuum cleaners

Claims