IP Library › Patent Application 09807477
Patent Application Utility PCT National Stage
App. No. 09/807,477 · Confirmation No. 7524

SPEECH/USSD INTEROPERABILITY MECHANISM

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2004-02-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-06-13 ABST Abstract 1 View
2001-06-13 LET. Miscellaneous Incoming Letter 34 View
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Quick Facts
App. No.
09/807,477
Filed
2001-06-13
Granted
2004-04-13
Art Unit
2686
PTA
0 days