Underground tank with void-eliminating cradle
US4375860A · kind A · utility
13Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1981 |
| Grant date | Mar 8, 1983 |
| Priority date | — |
| Expiry date | Mar 30, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/902
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Voids beneath a cylindrical underground tank are eliminated by providing a cradle for the tank which fills the space beneath the tank which would otherwise have to be filled with dirt, sand, or gravel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.