IP Library › Granted Patent US 6,464,458
Granted Patent Utility
US 6,464,458 · Confirmation No. 7806

MOLTEN METAL IMPELLER

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2008-12-02 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-05-29 DRW Drawings-only black and white line drawings 8 View
2001-04-25 TRNA Transmittal of New Application 2 View
2001-04-25 A.PE Preliminary Amendment 5 View
2001-04-25 SPEC Specification 10 View
2001-04-25 CLM Claims 4 View
2001-04-25 ABST Abstract 1 View
2001-04-25 DRW Drawings-only black and white line drawings 8 View
2001-04-25 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,464,458
App. No.
09/842,538
Filed
2001-04-25
Granted
2002-10-15
Pub. No.
US20010028846A1
Art Unit
3745
PTA
-144 days