IP Library Patent Application 09771335
Patent Application Utility Small
App. No. 09/771,335 · Confirmation No. 6775

Gas purification apparatus

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
⬇ PDF
Code Description Pages PDF
2001-01-26 TRNA Transmittal of New Application 2 View
2001-01-26 SPEC Specification 6 View
2001-01-26 CLM Claims 4 View
2001-01-26 ABST Abstract 1 View
2001-01-26 DRW Drawings-only black and white line drawings 1 View
2001-01-26 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
App. No.
09/771,335
Filed
2001-01-26
Granted
2002-02-26
Art Unit
1724
PTA
-57 days