Electronic drink coaster
US7353136B2 · kind B2 · utility
31Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Apr 23, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/33
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for ordering drink refills, comprising a coaster body with a processor, a wireless transmitter and at least one button, the processor responding to user inputs to activate the wireless transmitter to transmit wireless signals indicative of a desired order.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.