
    (No. 6263
    Copying Products, Division of Clopay Corporation, Claimant, vs. State of Illinois, Department of General Services, Respondent.
    
      Opinion filed November 9, 1971.
    
    Copying Products, Claimant, pro se.
    William J. Scott, Attorney General; Saul R. Wexler, Assistant Attorney General, for Respondent.
   Perlin, C.J.  