发明名称 Vacuum cleaner bag
摘要 An improved vacuum cleaner bag with a mechanism for allowing the user to visually align the coupling opening of the vacuum cleaner bag with the discharge tube of a vacuum cleaner. The vacuum cleaner bag also includes a discharge tube receiving structure positioned opposite the coupling opening for receiving the tube end of the discharge tube when the collar surrounding the coupling opening is being positively seated around a base end of the discharge tube.
申请公布号 US6277165(B1) 申请公布日期 2001.08.21
申请号 US20000558608 申请日期 2000.04.26
申请人 LOVETT DONNA M.;LOVETT ROBERT R. 发明人 LOVETT DONNA M.;LOVETT ROBERT R.
分类号 A47L9/14;B01D46/42;B01D53/02;(IPC1-7):B01D46/02 主分类号 A47L9/14
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