Cleaning sheet
US6245413A · kind A · utility
72Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/681
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaning sheet which is attached to a cleaning tool during use which comprises a wiping region having a wiping layer and attaching regions positioned on both sides of the wiping region, where a plurality of recesses are formed at intervals along boundaries between the wiping region and the attaching regions such that the recesses extend from the boundaries toward the center of the wiping region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.