Modular building block
US5390452A · kind A · utility
4Cited by
11References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 2, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Apr 2, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/1987
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A building block wherein two elongated bars are pivotally connected to each other along their longitudinal edges by a first hinge and at least one end portion of each bar is provided with one or more parts of a second hinge which serves to articulately connect the respective end portion to one end portion of a bar forming part of an additional building block. The axes of the first and second hinges are normal to each other. The building blocks can be assembled into skeleton frames forming part of roof structures, erector sets, decorative arrangements, kiosks and/or other combinations of modules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.