Rug underlay substantially impervious to liquids
US5601910A · kind A · utility
20Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1995 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Apr 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2205
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A carpet underlay comprising a fibrous non-woven substrate composed of natural or synthetic fibers having in or on it a repellent finish which makes said substrate substantially impervious to liquids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.