Document 06NEVx9jadXzBMZnj3gjLor9J

UHTHOFF, GOMEZ VEGA & UHTHOFF APARTADO POSTAL (P.O. BOXf M-30S9 0B000 MEXICO, 0. F. April 28, 1982 y Mr. Theodore C. Gregory. * E.r. DO PONT DE NEMOURS . AND COMPANY. . Legal Department Wilmington, Delaware 19898 U.. S. A. RECTO MAY V 1982 T.C.G. yV\ MAY 7 1982 KAG Ee: E.X. DU PONT DE NEMOURS AND COMPANY. Mex. Pat. appln. corres. to U.S.S.N. 258.872 - Ref: CH 1175 COOMBE Convention Case Dear Sir(s): This is to inform you that the above application has today been officially filed and that the usual copies of the filing papers and our Debit Note will be sent to you in a few days, as soon as the Serial Number is alloted by the Mexican Patent Office. In the meantime, we remain. 'Very truly yours, UHTHOFF, //EGA S UHTHOFF. CH<aS*P BBV*amid N36770 jsfCfj DUP050302051