NOTIFICATION OF ACCEPTANCE OF DELAYED PAYMENT OF MAINTENANCE FEE (35 U.S.C. 41(c); 37 CFR 1.378) The patent(s) listed below are considered as not having expired but are subject to the conditions set forth in 35 U.S.C. 41(c)(2), in view of the Petition to Accept Late Payment of the maintenance fees which has been GRANTED BY THE COMMISSIONER OF PATENTS AND TRADEMARKS, as provided for under 35 U.S.C. 41(c)(1) and 37 CFR 1.378. Application Delayed Payment Patent No. Serial No. Patent Date Filing Date Acceptance Date 4,475,740 06/258,149 10/09/84 04/27/81 11/10/94 4,510,772 06/476,051 04/16/85 03/17/83 10/11/94 4,599,136 06/657,277 07/08/86 10/03/84 11/17/94 4,600,837 06/557,491 07/15/86 12/01/83 11/17/94 4,601,913 06/814,581 07/22/86 12/27/85 11/17/94 4,602,828 06/736,488 07/29/86 05/20/85 11/14/94 4,799,264 07/101,395 01/17/89 09/28/87 11/21/94 4,831,393 07/131,828 05/16/89 12/11/87 11/17/94 4,935,906 07/141,693 06/19/90 01/04/88 11/17/94 4,939,022 07/328,991 07/03/90 03/27/89 11/21/94 4,945,509 07/168,031 07/31/90 03/14/88 11/17/94