The injustice for the independent inventor like Nawabdera
First Previous Rotate Left 1 / 3 Rotate Right Next Last Title A hazard free screened switch using magnetic flux and glass Applicant KHAN NAWAB IKRAMULLAH Inventor Khan Nawab Ikramullah Opposition - Filed 2008-06-02 Published 2008-12-03 Abstract A screened switch comprising; two permanent horseshoe magnets, one located in a safe zone, the other located in a dangerous work zone, the magnets being connected via a glass sheet; two electrical contacts isolated from each other within the safe zone; a third contact which makes or breaks the electrical circuit being fixed on the lower magnet in the dangerous zone; a manual force being applied to the upper magnet in the safe zone causes it to move to and fro moving the lower magnet in the dangerous zone along with it thus making or breaking the circuit. Claims Show -> Description Show ->