Spa cover with inflatable bladders
US9127471B1 · kind B1 · utility
6Cited by
23References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2014 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Dec 10, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A spa cover is described that is comprised of a plurality of inflatable drop stitch bladders and a slipcover comprising a plurality of separate chambers. Each chamber corresponds to a respective one of the plurality of inflatable bladders, and each chamber is constructed to house a corresponding one of the inflatable bladders therein. The slipcover has a hinge between at least two separate chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.