Thin polyurethane foam backed rug
US4286003A · kind A · utility
39Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1979 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Dec 3, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249975
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An area rug having an upper loop or pile surface and a secondary backing having a thin, open cell urethane backing adhered thereto to lessen the tendency of the area rug to crawl on the undersurface while maintaining total thickness no greater than 10% greater than the thickness of the primary rug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.