IP Library Granted Patent US 6,501,831
Granted Patent Utility
US 6,501,831 · Confirmation No. 2463

METHOD OF PROVIDING 911 SERVICE TO A PRIVATE BRANCH EXCHANGE

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Code Description Pages PDF
2008-11-26 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-11-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2005-05-18 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2002-03-08 TRNA Transmittal of New Application 3 View
2002-03-08 A.PE Preliminary Amendment 7 View
2002-03-08 SPEC Specification 7 View
2002-03-08 CLM Claims 7 View
2002-03-08 ABST Abstract 1 View
2002-03-08 DRW Drawings-only black and white line drawings 4 View
2002-03-08 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,501,831
App. No.
10/093,749
Filed
2002-03-08
Granted
2002-12-31
Pub. No.
US20020090061A1
Examiner
CHAN, WING F
Art Unit
2643
PTA
0 days