IP Library Granted Patent US 6,689,440
Granted Patent Utility
US 6,689,440 · Confirmation No. 8155

METAL TUBING COATED WITH MULTIPLE LAYERS OF POLYMERIC MATERIALS

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Code Description Pages PDF
2003-11-10 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-05-22 TRNA Transmittal of New Application 18 View
2002-05-22 A.PE Preliminary Amendment 11 View
2002-05-22 SPEC Specification 16 View
2002-05-22 CLM Claims 7 View
2002-05-22 ABST Abstract 1 View
2002-05-22 DRW Drawings-only black and white line drawings 1 View
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Quick Facts
Patent No.
US 6,689,440
App. No.
10/153,416
Filed
2002-05-22
Granted
2004-02-10
Pub. No.
US20030012907A1
Art Unit
1772
PTA
-25 days