Structural element with interlocking ribbing
US5273806A · kind A · utility
32Cited by
1References
3Claims
0Family size
Inventors
Key dates
| Filing date | Oct 3, 1991 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Oct 3, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24661
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A structural element comprising opposed first and second, laterally and longitudinally extended, generally planar surface structures each having a closed figure pattern of ribbing projecting therefrom toward the opposite surface structure, the ribbing being of respective heights to bridge the space between the surface structures, the opposed ribbing being interlocked in registered, mating relation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.