Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate
2006-05-23
2006-05-23
Cuchlinski, Jr., William A. (Department: 2142)
Electrical computers and digital processing systems: multicomput
Computer conferencing
Demand based messaging
C709S237000
Reexamination Certificate
active
07051073
ABSTRACT:
A data processing system with efficient facilities for transmitting a serial electronic publication to subscribers includes a push engine and a status manager. The push engine transmits a first issue to a subscriber. The status manager determines whether the first issue has been opened and allows the push engine to transmit a second issue to the subscriber only after determining that the first issue has been opened. In an illustrative embodiment, the push engine transmits a hypertext transfer protocol (HTTP) cookie to the subscriber with the first issue, and the status manager determines whether the first issue has been opened by reference to a corresponding cookie response from the subscriber indicating that client software has been utilized to open the first issue.
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Blair Douglas
Cuchlinski Jr. William A.
Dawkins Marilyn Smith
Dillon & Yudell LLP
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