Portable clipboard and storage box
US4892334A · kind A · utility
54Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Mar 9, 1989 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Mar 9, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43L5/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A portable clipboard includes an integral storage box for transporting various accessories such as pens, pencils, erasers, rulers, calculators, etc. The writing surface of the clipboard is provided with a spring retaining clip for securing papers and is mounted by a hinge to a shallow rectangular box. In a second embodiment, a battery operated light is secured by a flexible stem on the upper surface of the clipboard and a digital clock is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.