Collapsible structure
US7552563B2 · kind B2 · utility
19Cited by
44References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 2003 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | May 28, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H33/42
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A collapsible structure having walls and hinges, the walls being foldable to reduce the volume of the collapsible structure via hinges separated by a distance to form pockets which receive therein the thickness of one or more collapsed walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.