IP Library › Granted Patent US 6,497,974
Granted Patent Utility
US 6,497,974 · Confirmation No. 3044

FUEL CELL POWER SYSTEM, METHOD OF DISTRIBUTING POWER, AND METHOD OF OPERATING A FUEL CELL POWER SYSTEM

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2010-07-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-07-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-06-25 PA.. Power of Attorney 1 View
2010-06-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2010-06-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-05-23 TRNA Transmittal of New Application 2 View
2001-05-23 SPEC Specification 34 View
2001-05-23 CLM Claims 15 View
2001-05-23 ABST Abstract 1 View
2001-05-23 DRW Drawings-only black and white line drawings 5 View
2001-05-23 OATH Oath or Declaration filed 2 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 6,497,974
App. No.
09/864,526
Filed
2001-05-23
Granted
2002-12-24
Pub. No.
US20020177018A1
Art Unit
1745
PTA
-120 days