IP Library › Granted Patent US 6,738,415
Granted Patent Utility
US 6,738,415 · Confirmation No. 4283

BI-DIRECTIONAL COMMUNICATION SYSTEM

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2005-12-22 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2005-09-01 COCOUT Certificate of Correction - Post Issue Communication 1 View
2004-04-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-04-02 LET. Miscellaneous Incoming Letter 1 View
2001-03-22 TRNA Transmittal of New Application 1 View
2001-03-22 ADS Application Data Sheet 1 View
2001-03-22 SPEC Specification 18 View
2001-03-22 CLM Claims 6 View
2001-03-22 ABST Abstract 1 View
2001-03-22 DRW Drawings-only black and white line drawings 11 View
2001-03-22 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,738,415
App. No.
09/815,358
Filed
2001-03-22
Granted
2004-05-18
Pub. No.
US20020181050A1
Examiner
LIU, SHUWANG
Art Unit
2634
PTA
-88 days