PARINS et al. V. SLATER - Page 18




                 Interference No. 104,190                                                                                                               



                 layer extends only to the base of the recess in the dielectric                                                                         
                 layer stopping well short of the stainless steel tube.  The                                                                            
                 exhibit further shows a movable hook-shaped blade which is                                                                             
                 pivotable with respect to the stationary laminated blade.  The                                                                         
                 hook-shaped blade is actuated by a push rod that extends down                                                                          
                 the center of the stainless steel tube.  A first voltage E  is                                                                         
                                                                                                                         1                              
                 applied to the push rod for conduction to the first blade.  A                                                                          
                 second voltage E  is applied to the stainless steel tube to be                                                                         
                                              2                                                                                                         
                 conducted to the outer brass electrode on the laminated                                                                                
                 stationary blade.  An insulating tube surrounds the push rod                                                                           
                 to prevent an electrical short circuit from the push  rod to                                                                           
                 the stainless steel tube.                                                                                                              
                                   In the time period between December 4, 1991 and                                                                      
                 December 19, 1991, Rydell built a prototype scissors following                                                                         


                 the design recorded in PX-4, 5.  The prototype is of record as                                                                         
                 PX-10.   Between December 4 and December 19, 1991, the11                                                                                                                          
                 scissors was tested on beef liver and beef steak at Everest.                                                                           
                 PR176.  On December 19, 1991, Rydell and Joseph O’Brien tested                                                                         


                          11PX-6, 7 and 8 are photographs of prototype PX-10.                                                                           
                                                                          18                                                                            





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