Nonwoven surface covering elements having tongue and groove
US12258765B2 · kind B2 · utility
0Cited by
6References
26Claims
0Family size
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Key dates
| Filing date | Oct 25, 2023 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Oct 25, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2201/07
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A surface covering element can have a rigid core. The rigid core can include at least one densified fiber batt. The rigid core can have a first surface and an opposed second surface that are spaced apart along a first axis. The rigid core can have a plurality of edges that define a periphery of the rigid core. The plurality of edges can include at least a first edge and an opposed second edge that are spaced along a second axis that is perpendicular to the first axis. The first edge can include a tongue, and the second edge can define a groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.