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 4,502,091 06/581,732 02/26/85 02/21/84 03/06/95 4,594,154 06/636,896 06/10/86 08/02/84 03/29/95 4,609,875 06/526,613 09/02/86 08/26/83 03/30/95 4,802,574 07/127,165 02/07/89 12/01/87 02/28/95 4,817,137 07/126,877 03/28/89 11/30/87 03/29/95 4,813,979 07/151,383 03/21/89 02/02/88 03/29/95 4,843,665 07/179,575 07/04/89 04/08/88 03/29/95 4,864,499 06/938,538 09/05/89 12/05/86 03/31/95 4,925,165 07/264,828 05/15/90 10/31/88 03/31/95 4,963,280 07/149,737 10/16/90 01/29/88 03/30/95