Card structures for enhanced stacking strength
US7980390B2 · kind B2 · utility
4Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2007 |
| Grant date | Jul 19, 2011 |
| Priority date | — |
| Expiry date | Dec 24, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F1/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display card (200) including a front layer (230) and a back layer (210), wherein at least a portion of the front layer (230) is connected to at least a portion of the back layer (210), a blister (220) supported by at least one of the front layer (230) and the back layer (210), and at least one support tube (240) defined by the front layer (230) and the back layer (210), wherein the support tube is formed by folding the front layer (230) relative to the back layer (210).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.