Folded sheet material and array of folded sheet materials
US8133569B2 · kind B2 · utility
3Cited by
105References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 19, 2009 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Jul 20, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24264
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An array of sheet materials includes a first sheet, a second sheet, and an interior sheet located between the first sheet and the second sheet, each sheet having a centrally located medial primary fold formed therein and a secondary off-fold transverse thereto, the medial fold and the transverse off-fold defining four panels in each sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.