Ex Parte Weirauch et al - Page 2




              Appeal No. 2006-0829                                                                                     
              Application No. 09/921,024                                                                               

                     The claimed invention relates to a data storage medium which includes a data                      
              structure in the form of a disk control block (DCB) which is used for administration and                 
              control information for the data storage medium.  Each disk control block includes a                     
              control block identifier, which specifies the function of the disk control block, as well as a           
              set of standard access control parameters.  If an unrecognized disk control block is                     
              detected by a drive, the standard control parameters can still be decoded so that the                    
              drive behavior is not inconsistent with the requirements of the unrecognized control                     
              block.                                                                                                   
                     Claim 3 is illustrative of the invention and reads as follows:                                    
                     3.  A data storage medium, comprising:                                                            
                     data stored in the form of a data structure, the data structure including a header;               
                     the header including a bit specifying control of reading part of the data structure.              

                     The Examiner relies on the following prior art:                                                   
              Curtis et al (Curtis)  5,233,576   Aug. 03, 1993                                                         




                     Claims 3 and 4 stand finally rejected under 35 U.S.C.       § 102(b) as being                     
              anticipated by Curtis.1                                                                                  

                                                                                                                      
              1 At page 2 of the Answer, the Examiner indicates that the rejection of claims                           
              3 and 4 under the first paragraph of 35 U.S.C. § 112 has been withdrawn.                                 
              2The Appeal Brief was filed August 19, 2005.  In response to the Examiner’s                              
              Answer mailed October 26, 2005, a Reply Brief was filed December, 2005 which                             
              was acknowledged and entered by the Examiner as indicated in the communication                           
              mailed January 12, 2006.                                                                                 
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