Patent
   D581950
Priority
Jun 25 2007
Filed
Jun 25 2007
Issued
Dec 02 2008
Expiry
Dec 02 2022
Assg.orig
Entity
unknown
14
5
n/a
The ornamental design for an ergonomic pressure calibration pump, as shown and described.

This pump incorporates easy to use handles, a vernier knob to adjust pressure, and inside the vernier knob is the pressure relief valve which relives the pressure created. The created pressure, is used in conjunction with a sensor to be tested, and a pressure calibrator. The reservoir is a shatterproof, transparent, tapered container which makes viewing the liquid used for pressurization easier to see.

FIG. 1 is a front elevational view of an ergonomic hydraulic pressure calibration pump showing my new design.

Ratner, Cary

Patent Priority Assignee Title
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Patent Priority Assignee Title
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