Item purchase, item purchase method and refrigerator
US10891681B2 · kind B2 · utility
2Cited by
1References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 27, 2016 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Sep 1, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2500/06
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
An item purchase system may include a user device configured to receive an item purchase request from a user and transmit the item purchase request, and the refrigerator configured to display the item purchase request in response to receiving the item purchase request and place an order for the item requested to be purchased according to an input by the user or another user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.