Appeal 2007-0760
Application 09/974,373
7. Barker also teaches that the client computer dispatches a periodic
heartbeat signal to the server to inform the server that the client is still
online. (Col. 39, ll. 31-32.)
8. Additionally, Barker teaches that the client sends a message to the
server notifying the server that the client has ended the session. (Col. 39, ll.
41-54.)
9. Foley teaches a communication system for remotely managing the
activities of a client computer on a server computer’s website. (Abstract.)
10. Foley also teaches that after registering with a server to start a session,
a session manager2 tracks resources being used by the client. (Col. 4, ll. 38-
40.)
11. Additionally, Foley teaches that the client periodically dispatches
heartbeat signals to the server to confirm that the client is still online using
associated resources of the server. (Col. 4, ll. 49-52.)
PRINCIPLES OF LAW
OBVIOUSNESS (Prima Facie)
The Supreme Court in Graham v. John Deere, 383 U.S. 1, 17-18,
148 USPQ 459, 467 (1966), stated that three factual inquiries underpin any
determination of obviousness:
Under § 103, (1) the scope and content of the prior art are to be
determined; (2) differences between the prior art and the claims
at issue are to be ascertained; and (3) the level of ordinary skill
in the pertinent art resolved. Against this background, the
obviousness or nonobviousness of the subject matter is
2 Foley describes a user session manager in Figure 4 as one having the
primary function of maintaining a list of active client sessions and
applications.
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