IP Library Granted Patent US 6,428,556
Granted Patent Utility
US 6,428,556 · Confirmation No. 7613

LONGITUDINAL DILATOR AND METHOD

Inventor: Albert K. Chin
Patented Case View Patent ↗
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Code Description Pages PDF
2014-06-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-06-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-06-04 PA.. Power of Attorney 1 View
2014-06-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2014-06-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-05-19 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-12-18 PA.. Power of Attorney 1 View
2006-12-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-07-25 TRNA Transmittal of New Application 3 View
2001-07-25 A.PE Preliminary Amendment 7 View
2001-07-25 SPEC Specification 12 View
2001-07-25 CLM Claims 4 View
2001-07-25 ABST Abstract 1 View
2001-07-25 DRW Drawings-only black and white line drawings 7 View
2001-07-25 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,428,556
App. No.
09/915,695
Filed
2001-07-25
Granted
2002-08-06
Art Unit
3731
PTA
-120 days