Measuring and testing – Tire – tread or roadway
Reexamination Certificate
2007-04-03
2007-04-03
Noori, Max (Department: 2855)
Measuring and testing
Tire, tread or roadway
Reexamination Certificate
active
10843886
ABSTRACT:
The pressure gauge is designed for operative engagement with a gas pressurized system such as a pneumatic tire. It includes a housing having a pressurized gas inlet orifice and a cylindrical bore formed within the housing. A pressure reactive piston is slidably engaged within the cylindrical bore, and a resistance means is disposed within the cylinder to provide a resistive force to the movement of the piston. A calibration rod is disposed proximate the piston, whereby movement of the piston will cause movement of the rod. A pressure indicator bar, which is threadably engaged to the rod, provides an indication of the pressure level of the gas. The calibration rod has a user accessible end, and rotation of the rod causes a calibration adjustment of the pressure indicator bar due to the threaded engagement of the rod with the pressure indicator bar.
REFERENCES:
patent: 1742740 (1930-01-01), Watters
patent: 4768460 (1988-09-01), Soon-Fu
patent: 4788525 (1988-11-01), Lichtenstein
patent: 4966035 (1990-10-01), Huang
patent: 5554803 (1996-09-01), Huang
patent: 5939627 (1999-08-01), Huang
patent: 2005/0005693 (2005-01-01), Huang
Guillot Robert O.
Intellectual Property Law Offices
Noori Max
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