IP Library › Patent Application 09972808
Patent Application Utility
App. No. 09/972,808 · Confirmation No. 6775

AIR CONDITIONER HAVING OXYGEN ENRICHING DEVICE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2017-03-18 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2017-03-18 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2008-09-10 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-10-04 TRNA Transmittal of New Application 3 View
2001-10-04 SPEC Specification 15 View
2001-10-04 CLM Claims 5 View
2001-10-04 ABST Abstract 1 View
2001-10-04 DRW Drawings-only black and white line drawings 7 View
2001-10-04 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.
09/972,808
Filed
2001-10-04
Granted
2002-08-06
Pub. No.
US20020116946A1
Art Unit
3744
PTA
-76 days