Appeal No. 2001-2578
Application No. 08/977,547
BACKGROUND
Appellants’ invention relates to a system and method for
printing to a virtual printer device in a system including a
server and a client wherein users may choose a particular device
for real-time printer communications.
Representative independent claim 1 is reproduced as follows:
1. Method for printing to a virtual printer device in a system
including a server and a remote client, each said server and said
remote client architected to include at least a physical layer
and an application layer, comprising the steps of:
establishing a direct persistent application layer
connection between said remote client and said server;
establishing agreement between said server and said remote
client to negotiate at said application layer connection
device protocol options;
communicating a printer name across said application layer
connection from said remote client to said server for a
virtual printer at said server associated with a printer
device at said remote client;
operating a display server at said server selectively for
communicating with a virtual display and, responsive to a
user request for printing a file, for communicating a
printer data stream generated at said server over said
direct persistent application layer connection from said
virtual printer at said server to said printer device at
said remote client.
The prior art references of record relied upon by the
Examiner in rejecting the appealed claims are:
Smith et al. (Smith) 5,790,790 Aug. 4, 1998
(filed Oct. 24, 1996)
2
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