Power screed
US5281050A · kind A · utility
11Cited by
6References
19Claims
0Family size
Inventor
Key dates
| Filing date | May 11, 1992 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | May 11, 2012 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C19/405
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A power screed for striking off concrete or other substances using rods which reciprocate along their long axes at between about one and one hundred cycles per second, inclusive. The rods may be adapted to individual jobs from standard dimensioned lumber or from other materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.