Mechanical lockings of floor panels and a tongue blank
US9309679B2 · kind B2 · utility
86Cited by
109References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2014 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Mar 12, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2201/0547
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Floor panels are provided with a mechanical locking system including tongue and grooves provided with protrusions and cavities which are displaceable in relation to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.