Power package for SPA apparatus
US5392473A · kind A · utility
6Cited by
18References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1993 |
| Grant date | Feb 28, 1995 |
| Priority date | — |
| Expiry date | Dec 3, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H2201/0157
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Tub apparatus comprising a foamed, resiliently compressible, plastic tub wall having an inner side and an outer side, the tub having an interior to receive liquid, and ports extending through the side wall; a plastic pack having a cavity formed therein; a pump unit received in the cavity and protectively enclosed by the plastic pack; and tubular duct structure connected with the pump unit and extending from the cavity to the ports for circulating liquid between the tub interior and the pump unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.