IP Library › Granted Patent US 6,574,308
Granted Patent Utility
US 6,574,308 · Confirmation No. 3607

DIGITAL SUBSCRIBER LINE DIAGNOSTIC SYSTEM

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 Code Description Pages PDF
2012-01-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-01-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-12-28 PA.. Power of Attorney 2 View
2011-12-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-12-28 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-05-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-05-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-30 APPENDIX Appendix to the specification 2 View
2009-04-30 PA.. Power of Attorney 2 View
2009-04-30 C.AD Change of Address 1 View
2009-04-30 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-04-30 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2001-05-08 TRNA Transmittal of New Application 5 View
2001-05-08 SPEC Specification 14 View
2001-05-08 CLM Claims 4 View
2001-05-08 ABST Abstract 1 View
2001-05-08 DRW Drawings-only black and white line drawings 9 View
2001-05-08 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,574,308
App. No.
09/851,457
Filed
2001-05-08
Granted
2003-06-03
Art Unit
2643
PTA
-16 days