rocket18: The patent you reference states, "This application is a continuation application of application Ser. No. 12/827,814 filed on Jun. 30, 2010 now U.S. Pat. No. 8,131,597 issued Mar. 6, 2012; which is a continuation application of application Ser. No. 11/765,887 filed on Jun. 20, 2007 now U.S. Pat. No. 7,765,126 issued Jul. 27, 2010; which is a continuation application of application Ser. No. 10/768,991, filed on Jan. 29, 2004, now U.S. Pat. No. 7,383,209 issued Jun. 3, 2008; which is a continuation application of application Ser. No. 09/633,932, filed on Aug. 8, 2000, now abandoned; which is a continuation application of Ser. No. 09/232,908, filed on Jan. 15, 1999, now U.S. Pat. No. 6,199,048 issued on Mar. 6, 2001; which is divisional application of application Ser. No. 08/538,365, filed on Oct. 3, 1995, now U.S. Pat. No. 5,978,773 issued on Nov. 2, 1999; which claims the benefit of provisional Application Ser. No. 60/000,442, filed on Jun. 20, 1995, and entitled “Method and Apparatus for Interfacing with Remote Computers” (hereinafter, “our copending application”), the disclosure of which is hereby incorporated by reference in its entirety." - https://www.google.com/patents/US8805728
The 20 year life span of a patent (and all continuations) are based on the earliest date the patent claims benefit. In the case of patent you reference that date is Jun. 20, 1995. Sometimes a few months (only) are added due to administrative delays. The patent you referenced has expired. ANYONE who understand patent basics understands this.