| 发明名称 |
Dust mop with replaceable electrostatically |
| 摘要 |
A dust mop features a dust collector layer made of electrostatically charged nonwoven fabric. The electrostatic charge (a) enables the dust collector to be detachably mounted to the mop head by electrostatic cling; and (b) improves the dust collecting ability of the dust collector.
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| 申请公布号 |
US6243909(B1) |
申请公布日期 |
2001.06.12 |
| 申请号 |
US19990313239 |
申请日期 |
1999.05.17 |
| 申请人 |
GRAHAM BARBARA;KILMAN KATHERINE L.;GRAHAM ROBERT L. |
发明人 |
GRAHAM BARBARA;KILMAN KATHERINE L.;GRAHAM ROBERT L. |
| 分类号 |
A47L13/20;A47L13/40;(IPC1-7):A47L13/40 |
主分类号 |
A47L13/20 |
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