System and method for concealing printed matter
US11661241B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2019 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Jan 10, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D15/025
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A concealment device, system, and method for concealing printed matter are described. The concealment device features a translucent colored material having a color that corresponds to a first color of printed matter that is configured inside or behind the concealment device so as to be positioned adjacent to and beneath the colored material. The printed matter is concealed when viewed through the colored material from outside the concealment device. The concealment device can be an envelope, a magazine, or a booklet. The concealment system includes the concealment device and a printed item that is coverable by the concealment device. The printed item includes printed matter having a first color that corresponds to a color of the colored material. The printed matter is not visible when viewed through the colored material from outside the concealment device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.