Rechargeable battery heating unit
US3931494A · kind A · utility
124Cited by
10References
2Claims
0Family size
Inventors
Key dates
| Filing date | Apr 1, 1975 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Apr 1, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J36/2461
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved warming container which may comprise either a cup, pot, bowl or the like, and which includes an electric heating element built into its bottom and side walls, the heating element being connected to a rechargeable battery, thermostat and switch located on its underside and which are completely enclosed so to allow the vessel being fully submerged during washing without damage to the electric system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.