IP Library › Granted Patent US 6,620,628
Granted Patent Utility
US 6,620,628 · Confirmation No. 9094

ANALYTICAL ELEMENTS HAVING A SURFACE CHARGE

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 Code Description Pages PDF
2018-03-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-03-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-03-22 PA.. Power of Attorney 2 View
2018-03-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-09-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-03-02 TRNA Transmittal of New Application 3 View
2001-03-02 A.PE Preliminary Amendment 14 View
2001-03-02 SPEC Specification 21 View
2001-03-02 CLM Claims 6 View
2001-03-02 ABST Abstract 1 View
2001-03-02 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,620,628
App. No.
09/797,817
Filed
2001-03-02
Granted
2003-09-16
Pub. No.
US20020009732A1
Art Unit
1641
PTA
-133 days