Chopsticks
US7503604B2 · kind B2 · utility
9Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2004 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Jun 4, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47G21/103
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A set of chopsticks having a main body with a cavity therein that, starting from the side opposite a mouthpiece of the chopsticks extends in the longitudinal direction into the chopsticks. An object, particularly an information carrier, is placed inside the cavity. The open end of the cavity is preferably closed by a stopper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.