Flooring system
US4910936A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1989 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Jan 12, 2009 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B1/0007
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed herein is a flooring system comprising a foundation, a resilient layer overlying the foundation, a layer of resilient material overlying the resilient layer, a layer of rigid material including a channel overlying the layer of resilient material, an elongate laminated member disposed within the channel and secured to the layer of rigid material, a floorboard overlying the layer of rigid material and the laminated member, a fastener extending through the floorboard and into the laminated member to secure the floorboard to the layer of rigid material, and structure formed in the resilient layer for venting water vapor accumulating between the resilient layer and the foundation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.