Water bed heater
US5081339A · kind A · utility
55Cited by
15References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1990 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Jun 1, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/021
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A heater for a water bed including an elongated PTC cable having conductors by a carbon loaded polymer material with the cable being tortuously disposed with closely spaced parallel lengths supported in a coplanar sandwiched relationship by adhesively coated sheets of polyester and aluminum, the sheets and cable being sealed in a polyvinyl chloride envelope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.