IP Library Patent Application 09720365
Patent Application Utility PCT National Stage
App. No. 09/720,365 · Confirmation No. 9447

VOLTAGE MEASURING CIRCUIT AND VOLTAGE SUPPLY CICUIT OF AN INTEGRATED FUEL CELL SYSTEM

Inventor: Steffen Paul
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
⬇ PDF
Code Description Pages PDF
2003-07-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-22 LET. Miscellaneous Incoming Letter 2 View
2003-07-22 PA.. Power of Attorney 4 View
2003-07-22 C.AD Change of Address 2 View
2003-07-22 OATH Oath or Declaration filed 2 View
2001-06-11 LET. Miscellaneous Incoming Letter 86 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.
09/720,365
Filed
2001-06-11
Granted
2003-09-30
Art Unit
2836
PTA
0 days