IP Library Granted Patent US 6,702,892
Granted Patent Utility PCT National Stage
US 6,702,892 · Confirmation No. 1775

PRODUCTION DEVICE FOR HIGH-QUALITY SILICON SINGLE CRYSTALS

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Code Description Pages PDF
2004-01-13 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-01-13 C.AD Change of Address 1 View
2001-11-20 TRNA Transmittal of New Application 3 View
2001-11-20 SPEC Specification 23 View
2001-11-20 CLM Claims 1 View
2001-11-20 ABST Abstract 1 View
2001-11-20 DRW Drawings-only black and white line drawings 6 View
2001-11-20 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,702,892
App. No.
09/926,285
Filed
2001-11-20
Effective Filing
2001-10-05
Granted
2004-03-09
Pub. No.
US20020139298A1
Art Unit
1765
PTA
0 days