IP Library › Granted Patent US 6,668,455
Granted Patent Utility
US 6,668,455 · Confirmation No. 4073

A MEATHOD FOR PREPARING A MULTI-LAYER METAL TUBE

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2016-11-02 OATH Oath or Declaration filed 19 View
2010-09-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-09-09 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2003-11-06 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-08-10 TRNA Transmittal of New Application 1 View
2001-08-10 SPEC Specification 13 View
2001-08-10 CLM Claims 4 View
2001-08-10 ABST Abstract 1 View
2001-08-10 DRW Drawings-only black and white line drawings 4 View
2001-08-10 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,668,455
App. No.
09/927,158
Filed
2001-08-10
Granted
2003-12-30
Pub. No.
US20020029454A1
Art Unit
3726
PTA
-33 days