发明名称 |
Vacuum cleaner |
摘要 |
A vacuum cleaner includes a removable filter element and an indicator member having a first position when the filter member is removed from the cleaner and a second position when the filter member is in place in the cleaner and being readily visible to a user of the vacuum cleaner in at least one of the first and second positions. When the indicator member is in the first position, the vacuum cleaner cannot be used to collect dust and dirt.
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申请公布号 |
US6849108(B2) |
申请公布日期 |
2005.02.01 |
申请号 |
US20040758301 |
申请日期 |
2004.01.16 |
申请人 |
TECHTRONIC INDUSTRIES COMPANY LIMITED |
发明人 |
KENT ANDREW;ELSWORTHY CHRISTOPHER THOMAS |
分类号 |
A47L9/12;A47L9/14;A47L9/16;A47L9/19;(IPC1-7):B01D35/143 |
主分类号 |
A47L9/12 |
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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