Concrete slab key joint forming strip and supporting stake therefor
US4516875A · kind A · utility
11Cited by
28References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1983 |
| Grant date | May 14, 1985 |
| Priority date | — |
| Expiry date | Mar 28, 2003 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C11/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A key joint forming strip and supporting stake therefor wherein the upper portion of the strip includes a hook segment engageable with a supporting ledge on the upper end of the stake and the intermediate portion of the stake includes a downwardly facing hook engageable with a protrusion on a lower portion of the strip. In use, the hook segment is first engaged with the ledge and then the lower portion of the strip is forced against the stake to engage the protrusion beneath the downwardly facing hook. Once so engaged, the strip is held in place between the ledge and the hook.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.