IP Library Patent Application 10050544
Patent Application Utility
App. No. 10/050,544 · Confirmation No. 7840

PROCESS AND APPARATUS FOR TWO-STAGE SUPERCHARGING OF PROCESS AIR FOR A FUEL CELL

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
Code Description Pages PDF
2003-09-05 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-09-05 LET. Miscellaneous Incoming Letter 1 View
2003-09-05 OATH Oath or Declaration filed 9 View
2002-01-18 TRNA Transmittal of New Application 4 View
2002-01-18 ADS Application Data Sheet 1 View
2002-01-18 A.PE Preliminary Amendment 2 View
2002-01-18 SPEC Specification 10 View
2002-01-18 CLM Claims 4 View
2002-01-18 ABST Abstract 1 View
2002-01-18 DRW Drawings-only black and white line drawings 1 View
2002-01-18 OATH Oath or Declaration filed 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.
10/050,544
Filed
2002-01-18
Granted
2003-12-16
Pub. No.
US20020064696A1
Art Unit
3746
PTA
-60 days