IP Library Granted Patent US 6,660,437
Granted Patent Utility
US 6,660,437 · Confirmation No. 1806

ALTERNATING PHASE MASK

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Code Description Pages PDF
2003-10-14 FRPR Certified Copy of Foreign Priority Application 22 View
2003-10-10 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-05-30 TRNA Transmittal of New Application 1 View
2002-05-30 SPEC Specification 20 View
2002-05-30 CLM Claims 4 View
2002-05-30 ABST Abstract 1 View
2002-05-30 DRW Drawings-only black and white line drawings 2 View
2002-05-30 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,660,437
App. No.
10/158,733
Filed
2002-05-30
Granted
2003-12-09
Pub. No.
US20030008218A1
Art Unit
1756
PTA
-2 days