Portable drawing system
US7901214B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Jan 7, 2008 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | May 27, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43L21/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A drawing system including a portable storage housing; a drawing surface, moveably coupled to the portable storage housing by a biasing subsystem, the drawing surface including a storage mode and a deployed mode wherein the storage mode provides the drawing surface inside the housing and inaccessible for receipt of content and wherein the deployed mode extends the drawing surface outside of the housing and accessible for receipt of content; wherein transition of the drawing surface from the storage mode to the deployed mode activates the biasing subsystem and wherein the biasing subsystem automatically transitions the drawing surface from the deployed mode to the storage mode when operated by a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.