IP Library › Granted Patent US 6,622,311
Granted Patent Utility
US 6,622,311 · Confirmation No. 2447

AIR FILTRATION SYSTEM INCLUDING A HELMET ASSEMBLY

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 Code Description Pages PDF
2016-05-10 TRIAL.REQ.D Request for Trial Denied 19 View
2014-12-17 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2003-07-28 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-07-02 TRNA Transmittal of New Application 3 View
2002-07-02 A.PE Preliminary Amendment 20 View
2002-07-02 SPEC Specification 33 View
2002-07-02 CLM Claims 29 View
2002-07-02 ABST Abstract 1 View
2002-07-02 DRW Drawings-only black and white line drawings 10 View
2002-07-02 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,622,311
App. No.
10/188,656
Filed
2002-07-02
Granted
2003-09-23
Pub. No.
US20030066121A1
Art Unit
3765
PTA
-1 days