Ex parte COFFIN - Page 6




          Appeal No. 95-0125                                                          
          Application 07/818,162                                                      



          Therefore, the rejection of claim 1 is reversed, and the                    
          rejection of claims 2 through 10 and 23 through 28, which                   
          stand or fall therewith, is likewise reversed.                              


                               NEW GROUND OF REJECTION                                
                    Under the authority of 37 CFR § 1.196(b), this panel              
          of the board introduces the following new ground of rejection.              


                    Claims 1 through 10 and 23 through 28 are rejected                
          under 35 U.S.C. § 103 as being unpatentable over the IBM                    
          Bulletin in view of the Airpot document and Auth.                           


                    The IBM Bulletin discloses a typical Michelson                    
          interferometer including, inter alia, a movable mirror                      
          assembly comprising a piston-like slide 1 (Figures 1 and 2)                 
          and a cylinder of glass (Figure 1), with the slide including                
          mercury bearings to effect virtually frictionless movement                  
          (page 245) of the slide                                                     





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