Vacuum cleaner
January 14, 2025. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1345478 Compressing arrangement for a dust container Vacuum cleaner dust container having compressing means associated therewith Cyclonic vacuum cleaner Vacuum cleaner capable of compressing dirt Vacuum cleaner having suction/exhaustion switch Vacuum cleaner Dust compressing apparatus and method for dust collecting unit of vacuum cleaner Patent #: 7481868 InventorsAssigneeApplicationNo. 11034827 filed on 01/14/2005US Classes:15/352Separator element cleaning in situ and/or storage or removal of retained dirtExaminersPrimary: Thomas, David BAttorney, Agent or FirmForeign Patent References
International ClassesA47L 5/02A47L 9/00 B01D 45/00 AbstractA vacuum cleaner comprises: a body; a suction head arranged at a lower side of the body and sucking dust or filth; a suction fan mounted at the body and generating a suction force; a dust collecting container mounted in the body and collecting dust or filth sucked into the suction head; and a compression unit mounted at the body and compressing dust or filth collected in the dust collecting container.Field of SearchSeparator element cleaning in situ and/or storage or removal of retained dirtWith liquid and/or deflection type separator With dust or dirt handling or storing or separating, e.g., filter bags RESIDUE ACCESS, HANDLING OR REMOVING MEANS Separable collection container Tangential gas inlet opening in casing | |
