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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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