Cleaning system, cleaning devices, instruction insert, and methods therefor
US11517172B2 · kind B2 · utility
1Cited by
71References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2020 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Jan 21, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B1/143
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
One or more microfiber sheets (1701,1802,2003,2004) are joined together at a spine (1702) to define a microfiber booklet (1700). The microfiber sheets can join together at the spine by stitching. The microfiber sheets can be manufactured from microfiber textile materials. The microfiber sheets can each be selectively movable about the spine like the pages of a book. The microfiber sheets can include alphanumeric indicia or indicators and graphical illustrations depicting objects to be cleaned by each microfiber sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.