Sheet retention mechanisms for spring clamp binders
US7757358B2 · kind B2 · utility
7Cited by
65References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2007 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Nov 26, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/206
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Spring clamp binders that include sheet retention mechanisms that provide improved performance and increase manufacturing efficiency and cost-effectiveness are described. The spring clamp binders have a cover and one or more spring clamps for holding one or more items, including sheets of physical media, such as loose sheets of paper, pages of a photoalbum, and other types of physical media. Methods of manufacturing spring clamp binders also are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.