IP Library › Granted Patent US 6,740,147
Granted Patent Utility
US 6,740,147 · Confirmation No. 6925

FILTERS EMPLOYING BOTH ACIDIC POLYMERS AND PHYSICAL-ADSORPTION MEDIA

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 Code Description Pages PDF
2008-03-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2004-02-09 IFEE Issue Fee Payment (PTO-85B) 3 View
2004-02-09 A.NA Amendment after Notice of Allowance (Rule 312) 1 View
2004-02-09 CLM Claims 8 View
2004-02-09 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2003-07-28 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-07-28 LET. Miscellaneous Incoming Letter 2 View
2003-07-28 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2003-07-28 RCEX Request for Continued Examination (RCE) 1 View
2003-07-28 REM Applicant Arguments/Remarks Made in an Amendment 9 View
2002-02-21 TRNA Transmittal of New Application 4 View
2002-02-21 DRW Drawings-only black and white line drawings 14 View
2002-02-21 OATH Oath or Declaration filed 3 View
2002-02-20 TRNA Transmittal of New Application 4 View
2002-02-20 DRW Drawings-only black and white line drawings 14 View
2002-02-20 OATH Oath or Declaration filed 3 View
2001-05-04 TRNA Transmittal of New Application 1 View
2001-05-04 SPEC Specification 23 View
2001-05-04 CLM Claims 11 View
2001-05-04 ABST Abstract 1 View
2001-05-04 DRW Drawings-only black and white line drawings 16 View
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Quick Facts
Patent No.
US 6,740,147
App. No.
09/848,955
Filed
2001-05-04
Granted
2004-05-25
Pub. No.
US20020078828A1
Art Unit
1724
PTA
-611 days