Concrete slab lifting clamp
US4893859A · kind A · utility
7Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1988 |
| Grant date | Jan 16, 1990 |
| Priority date | — |
| Expiry date | Aug 3, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S294/902
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A device for lifting long, heavy concrete panels including clamping heads having diamond crystals bonded to the facing region to minimize slippage at the clamp head/concrete interface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.