Pressure gauge for toy water gun
US6619128B1 · kind B1 · utility
3Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 16, 2002 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Aug 16, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L19/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pressure gauge device for a toy water gun having a pressure chamber, includes a housing, a light source mounted to the housing, a coloured transparency mounted movably to the housing, a pneumatic actuator communicating with the chamber and moving the transparency, and a display receiving light from the light source that has passed through the transparency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.