Floorboard and locking system therefor
US6769218B2 · kind B2 · utility
175Cited by
163References
123Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 14, 2002 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Feb 27, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2201/023
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A floorboard and an openable locking system therefor comprise an undercut groove on one long side of the floorboard and a projecting tongue on the opposite long side of the floorboard. The undercut groove has a corresponding upwardly directed inner locking surface at a distance from its tip. The tongue and the undercut groove are formed to be connected by adjoining boards being brought together and snapped together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.