Ex parte MATHISON et al. - Page 3




                 Appeal No. 2001-2625                                                                                     Page 3                        
                 Application No. 09/458,052                                                                                                             


                                                                   BACKGROUND                                                                           
                          The appellants' invention relates to dust/air pick-up                                                                         
                 systems for squeeze-type dust dispensers (specification, p.                                                                            
                 1).  A copy of the claims under appeal is set forth in the                                                                             
                 appendix to the appellants' brief.                                                                                                     


                          The prior art references of record relied upon by the                                                                         
                 examiner in rejecting the appealed claims are:                                                                                         
                 Chester                                      3,241,726                                             Mar. 22,                            
                 1966                                                                                                                                   
                 Shay                                                  4,007,858                                             Feb.                       
                 15, 1977                                                                                                                               
                 McRoskey et al.                              4,356,941                                             Nov.  2,                            
                 1982                                                                                                                                   


                          The following rejections set forth in the final rejection                                                                     
                 are before us for review:                                                                                                              
                 (1) Claims 1 to 20 stand rejected under 35 U.S.C. § 251 as                                                                             
                 being based upon a defective reissue declaration;                                                                                      
                 (2) Claims 5 to 10 and 13 to 18 stand rejected under 35 U.S.C.                                                                         
                 § 103 as being unpatentable over Shay and Chester; and                                                                                 
                 (3) Claims 5 to 20 stand rejected under 35 U.S.C. § 103 as                                                                             
                 being unpatentable over Shay and Chester as applied in the                                                                             
                 above rejection, and further in view of McRoskey.3                                                                                     

                          3In the answer (p. 5), it appears to us that the examiner                                                                     
                 combined the two rejections under 35 U.S.C. § 103 together in                                                                          
                                                                                                            (continued...)                              







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