Illuminating and audible ink stamp
US6253673A · kind A · utility
6Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 2000 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Jun 5, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41K1/003
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The structure of an ink stamp emitting light and sounds has an LED and a speaker contained in a housing and electrically connected to a circuit board. When the ink stamp is pressed downward, the LED and the speaker will respectively give off light and sounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.