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 4,337,541 06/223,935 07/06/82 01/09/81 05/25/95 4,491,578 06/516,937 01/01/85 07/25/83 04/05/95 4,580,412 06/780,643 04/08/86 09/26/85 03/30/95 4,596,458 06/570,521 06/24/86 01/13/84 05/24/95 4,643,970 06/469,004 02/17/87 02/23/83 05/23/95 4,762,558 07/050,914 08/09/88 05/15/87 04/26/95 4,783,089 06/760,141 11/08/88 07/29/85 03/20/95 4,905,465 07/350,346 03/06/90 05/08/89 05/31/95 4,937,856 07/057,091 06/26/90 06/01/87 05/30/95 4,945,563 07/247,844 07/31/90 09/22/88 03/31/95 4,957,392 07/344,079 09/18/90 04/27/89 04/10/95 4,964,604 07/456,462 10/23/90 12/26/89 05/26/95