
    No. 303.
    Metropolitan Petroleum Corp. et al. v. United States.
    
      John W. Davis, Theodore Kiendl, Ralph M. Carson and Francis R. Kirk-ham for petitioners.
    
      Solicitor General Sobeloff, Assistant Attorney General Burger, John R. Benney, Samuel D. Slade and Herman Marcuse for the United States.
   United States Court of Customs and Patent Appeals. Certiorari denied.  