IP Library Granted Patent US 6,778,654
Granted Patent Utility PCT National Stage
US 6,778,654 · Confirmation No. 4729

SYSTEM FOR TRANSFER CONTROL OF TELEPHONE LINE

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Code Description Pages PDF
2007-10-24 PA.. Power of Attorney 1 View
2007-10-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2007-10-24 LET. Miscellaneous Incoming Letter 1 View
2007-10-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-05-13 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-12-20 ABST Abstract 1 View
2001-12-20 LET. Miscellaneous Incoming Letter 52 View
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Quick Facts
Patent No.
US 6,778,654
App. No.
10/018,554
Filed
2001-12-20
Granted
2004-08-17
Art Unit
2642
PTA
0 days