IP Library Granted Patent US 6,689,194
Granted Patent Utility
US 6,689,194 · Confirmation No. 4680

FUEL CELL SYSTEM HAVING A REPLACEABLE GETTER ELEMENT FOR PURIFYING THE FUEL SUPPLY

⬇ PDF
Code Description Pages PDF
2011-03-04 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-09-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-03-12 TRNA Transmittal of New Application 2 View
2001-03-12 ADS Application Data Sheet 2 View
2001-03-12 SPEC Specification 7 View
2001-03-12 CLM Claims 5 View
2001-03-12 ABST Abstract 1 View
2001-03-12 DRW Drawings-only black and white line drawings 1 View
2001-03-12 OATH Oath or Declaration filed 4 View
2001-03-12 LET. Miscellaneous Incoming Letter 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,689,194
App. No.
09/803,190
Filed
2001-03-12
Granted
2004-02-10
Pub. No.
US20020127458A1
Art Unit
1724
PTA
-152 days