Protective cover for preventing spilled liquids from flowing into drains or holes
US8230530B2 · kind B2 · utility
4Cited by
20References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2011 |
| Grant date | Jul 31, 2012 |
| Priority date | — |
| Expiry date | May 26, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F5/0404
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A protective cover for drains and other holes is provided which prevents spills and unwanted liquids from flowing therein. The protective cover includes a durable backing layer and a pliable, tacky sealing layer adjacent a portion of the durable backing layer which conforms and adheres to a surface surrounding the drain to reduce or eliminate the flow of liquids into the drain. The pliable, tacky sealing layer can have a periphery inside the periphery of the durable backing layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.