Micro-suction reusable and repositionable writing surfaces
US11179964B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 24, 2018 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Jun 13, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2255/102
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a writing board attached to a surface for receiving notes or instructions from a user. The writing board includes vinyl foam, a flexible coating, and an adhesive layer. The writing board further includes a second temporary backing film. The vinyl foam includes a top surface and a microscopic cavernous surface. The flexible coating is coated on one of the microscopic cavernous surface to render the vinyl foam air-tight. The temporary backing film covers the microscopic cavernous surface coated with the flexible coating. A user peels off the temporary backing film to firmly attach the vinyl foam to the surface. The erase film is attached to the top surface of the vinyl foam. The erase film allows the user to write and erase content. The adhesive layer attaches the erase film to the top surface of the vinyl foam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.