Mark retaining structure of a micro-differential pressure gauge
US8033239B2 · kind B2 · utility
2Cited by
10References
4Claims
0Family size
Inventor
Key dates
| Filing date | Dec 11, 2009 |
| Grant date | Oct 11, 2011 |
| Priority date | — |
| Expiry date | Jan 26, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S116/06
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A mark retaining structure of a micro-differential pressure gauge includes a mark member attached to the edge of the micro-differential pressure gauge for indicating the critical value. The mark member includes an engaging portion, an extension board and a hook to engage with a recess and a circular flange of the micro-differential pressure gauge. The present invention provides a positioning function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.