IP Library Granted Patent US 6,648,167
Granted Patent Utility
US 6,648,167 · Confirmation No. 2569

DUCTING PASSAGES FOR A POLYMERIC LINING

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Code Description Pages PDF
2003-09-22 IFEE Issue Fee Payment (PTO-85B) 3 View
2001-02-14 TRNA Transmittal of New Application 6 View
2001-02-14 SPEC Specification 15 View
2001-02-14 CLM Claims 5 View
2001-02-14 ABST Abstract 1 View
2001-02-14 DRW Drawings-only black and white line drawings 4 View
2001-02-14 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,648,167
App. No.
09/782,870
Filed
2001-02-14
Granted
2003-11-18
Art Unit
3727
PTA
-5 days