Frame structures formed of double tube components
US5450703A · kind A · utility
23Cited by
15References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1993 |
| Grant date | Sep 19, 1995 |
| Priority date | — |
| Expiry date | Jul 9, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H15/58
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A structure formed by one or more double tube assemblies characterized by a cross-sectional configuration including two circular walls interjoined by two planar walls interconnected with the circular walls substantially at diametrically opposed circumferential locations in the circular walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.