HAWKER SIDDELEY OFFER FOR CLAROSTAT &lt;CLR> ENDS
  &lt;Hawker Siddeley Group PLC>'s offer of
  74 dlrs a share for all of Clarostat Mfg Co Inc's stock was
  scheduled to expire at 2400 EST yesterday.
      Company officials were unavailable for comment as to why
  the American Stock Exchange had stopped trading in Clarostat's
  stock for a pending news announcement.
  

