Portable spa insulation method and apparatus
US9295611B2 · kind B2 · utility
1Cited by
16References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 2012 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Feb 13, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An uninsulated portable spa unit is inverted, and a seal plate having a flat interior surface and a plurality of doors is lowered onto the bottom surface of the inverted spa. The doors are successively opened and glass wool installation apparatus is successively inserted through the door openings and operated to install glass wool insulation into the interior of the spa unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.