Patent Publication Number: US-D984910-S

Title: Calibration apparatus

Description:
FIG.  1    is a perspective view of a calibration apparatus showing our new design; 
         FIG.  2    is a perspective view viewed from another angle thereof; 
         FIG.  3    is a front elevational view thereof; 
         FIG.  4    is a rear elevational view thereof; 
         FIG.  5    is a left side view thereof; 
         FIG.  6    is a right side view thereof; 
         FIG.  7    is a top plan view thereof; 
         FIG.  8    is a bottom plan view thereof; 
         FIG.  9    is a partially enlarged view thereof, taken along line  9  of  FIG.  1   ; 
         FIG.  10    is a partially enlarged view thereof, taken along line  10  of  FIG.  1   ; 
         FIG.  11    is a partially enlarged view thereof, taken along line  11  of  FIG.  1   ; 
         FIG.  12    is a partially enlarged view thereof, taken along line  12  of  FIG.  2   ; 
         FIG.  13    is a partially enlarged view thereof, taken along line  13  of  FIG.  2   ; 
         FIG.  14    is a partially enlarged view thereof, taken along line  14  of  FIG.  2   ; 
         FIG.  15    is a partially enlarged view thereof, taken along line  15  of  FIG.  3   ; 
         FIG.  16    is a partially enlarged view thereof, taken along line  16  of  FIG.  3   ; 
         FIG.  17    is a partially enlarged view thereof, taken along line  17  of  FIG.  3   ; 
         FIG.  18    is a partially enlarged view thereof, taken along line  18  of  FIG.  4   ; 
         FIG.  19    is a partially enlarged view thereof, taken along line  19  of  FIG.  4   ; 
         FIG.  20    is a partially enlarged view thereof, taken along line  20  of  FIG.  4   ; 
         FIG.  21    is a partially enlarged view thereof, taken along line  21  of  FIG.  5   ; 
         FIG.  22    is a partially enlarged view thereof, taken along line  22  of  FIG.  6   ; 
         FIG.  23    is a partially enlarged view thereof, taken along line  23  of  FIG.  7   ; 
         FIG.  24    is a partially enlarged view thereof, taken along line  24  of  FIG.  8   ; 
         FIG.  25    is a partially enlarged view thereof, taken along line  25  of  FIG.  1   ; 
         FIG.  26    is a partially enlarged view thereof, taken along line  26  of  FIG.  2   ; and, 
         FIG.  27    is a partially enlarged view thereof, taken along line  27  of  FIG.  2   . 
       The broken lines in the drawings illustrate portions of the calibration apparatus which form no part of the claimed design.