Electrical heating panel
US4429214A · kind A · utility
16Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1982 |
| Grant date | Jan 31, 1984 |
| Priority date | — |
| Expiry date | Sep 27, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B2203/032
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A gypsum wallboard with electrical heating wire disposed in grooves arranged to minimize tendencies for the board to crack when lifted by the two opposite board ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.