IP Library Granted Patent US 6,722,287
Granted Patent Utility
US 6,722,287 · Confirmation No. 2858

ROOF ASSEMBLY AND AIRFLOW MANAGEMENT SYSTEM FOR A TEMPERATURE CONTROLLED RAILWAY CAR

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Code Description Pages PDF
2008-08-21 WFEE Fee Worksheet (SB06) 1 View
2004-02-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-08 TRNA Transmittal of New Application 3 View
2002-02-08 SPEC Specification 34 View
2002-02-08 CLM Claims 9 View
2002-02-08 ABST Abstract 1 View
2002-02-08 DRW Drawings-only black and white line drawings 7 View
2002-02-08 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,722,287
App. No.
10/071,173
Filed
2002-02-08
Granted
2004-04-20
Pub. No.
US20020157565A1
Art Unit
3617
PTA
0 days