IP Library › Granted Patent US 6,552,630
Granted Patent Utility
US 6,552,630 · Confirmation No. 4735

BI-DIRECTIONAL LOW-PASS FILTER FOR USE AT USER END OR OFFICE END IN COMMUNICATION NETWORK

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2011-05-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-05-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-05-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-05-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-05-17 PA.. Power of Attorney 1 View
2011-05-17 LET. Miscellaneous Incoming Letter 1 View
2011-05-17 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2011-05-17 C.AD Change of Address 1 View
2011-05-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-02-28 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2007-12-05 PA.. Power of Attorney 1 View
2007-12-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2007-12-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2007-02-16 APP.FILE.REC Filing Receipt 3 View
2001-11-29 TRNA Transmittal of New Application 2 View
2001-11-29 SPEC Specification 8 View
2001-11-29 CLM Claims 4 View
2001-11-29 ABST Abstract 1 View
2001-11-29 DRW Drawings-only black and white line drawings 5 View
2001-11-29 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,552,630
App. No.
09/997,700
Filed
2001-11-29
Granted
2003-04-22
Pub. No.
US20030006860A1
Art Unit
2817
PTA
0 days