Electric coffee maker
US4744291A · kind A · utility
54Cited by
10References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 26, 1982 |
| Grant date | May 17, 1988 |
| Priority date | — |
| Expiry date | Jan 26, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/545
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
To control temperature of brewing water, check valve of flow-through-heater-type coffee maker is modified so that travel of the check valve is adjustable to control rate of flow through the heating tube and, as a consequence, temperature of extracting water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.