Concrete filled tapered tubular tower
US3958381A · kind A · utility
20Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 1971 |
| Grant date | May 25, 1976 |
| Priority date | — |
| Expiry date | Jan 20, 1991 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H12/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tower supporting loads at heights up to 180 feet and higher, the tower being tubular and tapered convergently in an upward direction, the tower being filled with concrete throughout a major portion of the height.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.