IP Library › Granted Patent US 6,726,176
Granted Patent Utility
US 6,726,176 · Confirmation No. 4123

STEPPED BUTTERFLY VALVE

Inventor: Hans D. Baumann
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2008-01-08 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-01-08 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2007-12-12 PA.. Power of Attorney 1 View
2007-12-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2007-12-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-02-26 IFEE Issue Fee Payment (PTO-85B) 3 View
2002-01-02 TRNA Transmittal of New Application 2 View
2002-01-02 ADS Application Data Sheet 2 View
2002-01-02 SPEC Specification 14 View
2002-01-02 CLM Claims 4 View
2002-01-02 ABST Abstract 1 View
2002-01-02 DRW Drawings-only black and white line drawings 6 View
2002-01-02 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,726,176
App. No.
10/038,703
Filed
2002-01-02
Granted
2004-04-27
Pub. No.
US20030122100A1
Art Unit
3754
PTA
0 days