Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate
2011-08-09
2011-08-09
Nguyen, Thu (Department: 2452)
Electrical computers and digital processing systems: multicomput
Computer conferencing
Demand based messaging
Reexamination Certificate
active
07996478
ABSTRACT:
An electronic mail/messaging system is operated by compiling information associated with an attachment for an electronic mail at a source. The information includes initial information and descriptive information. The initial information is sent to a destination. A determination is made whether the destination has a file that matches the attachment based on the initial information. The attachment is sent to the destination if the destination does not have the file. The descriptive information is sent to the destination if the destination has the file. A determination is made whether the file matches the attachment based on the descriptive information. The attachment is sent to the destination if the file does not match the attachment based on the descriptive information.
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U.S. Appl. No. 10/928,338 entitledMethods, Systems and Computer Program Products for Monitoring Service Usage, filed Aug. 27, 2004.
Aaron Jeffrey A.
Alin Jun-Gang
AT&T Intellectual Property I L.P.
Chang Julian
Myers Bigel Sibley & Sajovec P.A.
Nguyen Thu
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