IP Library › Granted Patent US 6,657,231
Granted Patent Utility
US 6,657,231 · Confirmation No. 1963

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2013-06-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-06-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-05-23 PA.. Power of Attorney 1 View
2013-05-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-05-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2007-06-05 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-09-29 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-29 LET. Miscellaneous Incoming Letter 2 View
2003-09-29 DRW Drawings-only black and white line drawings 19 View
2002-06-17 TRNA Transmittal of New Application 6 View
2002-06-17 A.PE Preliminary Amendment 3 View
2002-06-17 SPEC Specification 27 View
2002-06-17 CLM Claims 8 View
2002-06-17 ABST Abstract 1 View
2002-06-17 DRW Drawings-only black and white line drawings 19 View
2002-06-17 OATH Oath or Declaration filed 25 View
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Quick Facts
Patent No.
US 6,657,231
App. No.
10/171,777
Filed
2002-06-17
Granted
2003-12-02
Pub. No.
US20020149020A1
Art Unit
2826
PTA
0 days