Mark retaining structure of a micro-differential pressure gauge

Details Mark retaining structure of a micro-differential pressure gauge Mark retaining structure of a micro-differential pressure gauge

2009-12-11

2011-10-11

Johnson, Amy Cohen (Department: 2841)

Signals and indicators

Indicators

Operator movable

C116S307000, C116S333000, C116SDIG010, C116SDIG043

Reexamination Certificate

active

08033239

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.

REFERENCES:
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patent: 5765501 (1998-06-01), Tung et al.
patent: 6415672 (2002-07-01), Hamilton et al.
patent: 6718907 (2004-04-01), Kao
patent: 7509848 (2009-03-01), Chen

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