IP Library › Granted Patent US 6,638,222
Granted Patent Utility
US 6,638,222 · Confirmation No. 2634

RF ABLATION AND ULTRASOUND CATHETER FOR CROSSING CHRONIC TOTAL OCCLUSIONS

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2007-08-16 PA.. Power of Attorney 2 View
2007-08-16 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2007-08-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2007-06-14 PA.. Power of Attorney 1 View
2007-06-14 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2007-06-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2007-05-17 PA.. Power of Attorney 2 View
2007-05-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-08-18 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-18 DRW Drawings-only black and white line drawings 1 View
2003-08-18 LET. Miscellaneous Incoming Letter 1 View
2002-02-08 TRNA Transmittal of New Application 3 View
2002-02-08 SPEC Specification 8 View
2002-02-08 CLM Claims 2 View
2002-02-08 ABST Abstract 1 View
2002-02-08 DRW Drawings-only black and white line drawings 5 View
2002-02-08 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,638,222
App. No.
10/072,064
Filed
2002-02-08
Granted
2003-10-28
Pub. No.
US20020082503A1
Examiner
IMAM, ALI M
Art Unit
3737
PTA
-90 days