Vacuum cleaning tool with exchangeable vacuum shoes
Patent 6550099 Issued on April 22, 2003. Estimated Expiration Date: 
January 16, 2021. 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.
January 16, 2021. 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 1713184 1856875 2089911 2668979 2730750 2785431 3790987 Cleaner bottom plate configuration Air-powered vacuum cleaner floor tool Air-powered vacuum cleaner floor tool InventorAssigneeApplicationNo. 761262 filed on 01/16/2001US Classes:15/387, Air current operated15/338, Converter attached to floor nozzle mouth15/389, Drive details15/392Agitator bearings or supporting detailsExaminersPrimary: Snider, Theresa T.Attorney, Agent or FirmForeign Patent References
International ClassA47L 009/04Foreign Application Priority Data2000-01-15 DEAbstractA vacuum cleaning tool for a vacuum cleaning device has a housing having a vacuum connector connected to the vacuum cleaning device. The housing has an underside and an elongate intake opening arranged in the underside. A brush roll is arranged in the housing parallel to the elongate intake opening. A drive is arranged in the housing and drivingly coupled to the brush roll. An exchangeable vacuum shoe is detachably connected to the housing and has two wall portions extending at least approximately parallel to the brush roll. The brush roll is arranged between the two wall portions. | |
