IP Library › Patent Application 60617944
Patent Application Provisional
App. No. 60/617,944 · Confirmation No. 8058

Comparative tone return time three-way call detect

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2004-10-12 TRNA Transmittal of New Application 4 View
2004-10-12 SPEC Specification 19 View
2004-10-12 ABST Abstract 1 View
2004-10-12 DRW Drawings-only black and white line drawings 2 View
2004-10-12 WFEE Fee Worksheet (SB06) 1 View
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Quick Facts
App. No.
60/617,944
Filed
2004-10-12