IP Library › Patent Application 09772036
Patent Application Utility
App. No. 09/772,036 · Confirmation No. 9131

METHOD FOR OPERATING FUEL CELLS ON IMPURE FUELS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2009-06-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-06-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-06-15 PA.. Power of Attorney 1 View
2009-06-15 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-06-15 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-02-20 A.PE Preliminary Amendment 3 View
2001-01-29 TRNA Transmittal of New Application 4 View
2001-01-29 SPEC Specification 25 View
2001-01-29 CLM Claims 4 View
2001-01-29 ABST Abstract 1 View
2001-01-29 DRW Drawings-only black and white line drawings 4 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
App. No.
09/772,036
Filed
2001-01-29
Granted
2002-12-31
Pub. No.
US20010028966A1
Art Unit
1745
PTA
0 days