Request for Reexamination Filed

   Notice under 37 CFR 1.11(c). The requests for reexamination listed
below are open to inspection by the general public in the indicated
Examining Groups. Copies of the requests and related papers may be
obtained by paying the fee therefor established in the Rules (37 CFR
   In the event correspondence to the patent owner is not received, this
notice will be considered to be constructive notice to the patent owner
and reexamination will proceed (37 CFR 1.248(a)(5) and 1.525(b)).

   4,516,372, Reexam. No. 90/004,673, June 04, 1997, Cl. 052/309.12,
CONCRETE FORMWORK, George A. Grutsch, Owner of Record: CIU Corp.,
Missouli, Mont., Attorney or Agent: William D. Hall, Myers Liniak &
Berenato, Bethesda, Md., Ex. Gp.: 3504, Requester: Richard S. Meyer,
Morgan Lewis & Brockius, Washington, D.C.