IP Library Granted Patent US 6,787,263
Granted Patent Utility Small
US 6,787,263 · Confirmation No. 6388

METHOD AND APPARATUS FOR ESTABLISHING A NEGATIVE PRESSURE INSIDE AN ENCLOSURE THAT HOUSES A FUEL CELL SYSTEM

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2005-01-25 COCOUT Certificate of Correction - Post Issue Communication 1 View
2004-10-05 COCIN Request for Certificate of Correction 11 View
2004-06-21 XRUSH Internal Response to Printer Query from Technology Center(TC) 1 View
2004-06-21 ADS Application Data Sheet 7 View
2004-06-21 LET. Miscellaneous Incoming Letter 2 View
2004-06-21 ADS Application Data Sheet 6 View
2004-06-01 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-04-16 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-04-16 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2004-04-16 892 List of references cited by examiner 1 View
2004-04-16 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-04-16 FWCLM Index of Claims 1 View
2004-04-16 SRFW Search information including classification, databases and other search related notes 1 View
2003-04-23 TRNA Transmittal of New Application 4 View
2003-04-23 A.PE Preliminary Amendment 11 View
2003-04-23 SPEC Specification 7 View
2003-04-23 CLM Claims 3 View
2003-04-23 ABST Abstract 1 View
2003-04-23 DRW Drawings-only black and white line drawings 5 View
2003-04-23 OATH Oath or Declaration filed 3 View
2003-04-23 LET. Miscellaneous Incoming Letter 1 View
2003-04-23 WFEE Fee Worksheet (SB06) 1 View
2003-04-23 WFEE Fee Worksheet (SB06) 1 View
2003-04-23 WCLM Claims Worksheet (PTO-2022) 1 View
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Quick Facts
Patent No.
US 6,787,263
App. No.
10/421,568
Filed
2003-04-23
Granted
2004-09-07
Pub. No.
US20030198855A1
Art Unit
1745
PTA
-84 days