IP Library › Granted Patent US 6,547,761
Granted Patent Utility
US 6,547,761 · Confirmation No. 3839

DRAINAGE CATHETER

Inventor: Clifford M. Liu
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2015-02-05 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2010-05-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-05-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-05-04 PA.. Power of Attorney 1 View
2010-05-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2010-05-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2007-11-20 C.AD Change of Address 1 View
2007-11-20 PA.. Power of Attorney 1 View
2007-11-20 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2007-11-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2006-08-04 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-01-05 TRNA Transmittal of New Application 2 View
2001-01-05 ADS Application Data Sheet 2 View
2001-01-05 SPEC Specification 21 View
2001-01-05 CLM Claims 3 View
2001-01-05 ABST Abstract 1 View
2001-01-05 DRW Drawings-only black and white line drawings 14 View
2001-01-05 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,547,761
App. No.
09/755,588
Filed
2001-01-05
Granted
2003-04-15
Pub. No.
US20010049494A1
Art Unit
3751
PTA
-5 days