IP Library Granted Patent US 6,505,679
Granted Patent Utility
US 6,505,679 · Confirmation No. 7520

LOW-DISTORTION SECTOR PLATE FOR AIR PREHEATERS

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Code Description Pages PDF
2015-01-24 C.AD Change of Address 1 View
2015-01-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2006-10-24 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-02-21 TRNA Transmittal of New Application 1 View
2001-02-21 SPEC Specification 7 View
2001-02-21 CLM Claims 4 View
2001-02-21 ABST Abstract 1 View
2001-02-21 DRW Drawings-only black and white line drawings 7 View
2001-02-21 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,505,679
App. No.
09/790,102
Filed
2001-02-21
Granted
2003-01-14
Pub. No.
US20020112843A1
Art Unit
3743
PTA
-143 days