IP Library › Granted Patent US 6,797,441
Granted Patent Utility
US 6,797,441 · Confirmation No. 7307

METHOD AND APPARATUS FOR USING A COMPLEMENTARY MASK TO CLEAR PHASE CONFLICTS ON A PHASE SHIFTING MASK

Inventor: Christophe Pierrat
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2011-08-04 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-08-26 IFEE Issue Fee Payment (PTO-85B) 3 View
2004-06-02 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-06-02 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-06-02 892 List of references cited by examiner 1 View
2004-06-02 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-06-02 SRFW Search information including classification, databases and other search related notes 1 View
2004-05-20 SRNT Examiner's search strategy and results 1 View
2002-11-14 TRNA Transmittal of New Application 3 View
2002-11-14 SPEC Specification 10 View
2002-11-14 CLM Claims 7 View
2002-11-14 ABST Abstract 1 View
2002-11-14 DRW Drawings-only black and white line drawings 6 View
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2002-11-14 LET. Miscellaneous Incoming Letter 1 View
2002-11-14 WFEE Fee Worksheet (SB06) 1 View
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Quick Facts
Patent No.
US 6,797,441
App. No.
10/294,253
Filed
2002-11-14
Granted
2004-09-28
Pub. No.
US20040076892A1
Art Unit
1756
PTA
0 days