IP Library Granted Patent US 6,723,154
Granted Patent Utility
US 6,723,154 · Confirmation No. 3982

METHOD AND DEVICE FOR CLEANING AIR IN A COMPRESSED AIR SYSTEM

⬇ PDF
Code Description Pages PDF
2013-11-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-11-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-11-25 PA.. Power of Attorney 1 View
2013-11-25 R3.73 Assignee showing of ownership per 37 CFR 3.73 4 View
2013-11-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-10-23 LET. Miscellaneous Incoming Letter 2 View
2003-10-23 DRW Drawings-only black and white line drawings 1 View
2003-10-22 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-08-13 FRPR Certified Copy of Foreign Priority Application 13 View
2002-04-12 TRNA Transmittal of New Application 3 View
2002-04-12 A.PE Preliminary Amendment 6 View
2002-04-12 SPEC Specification 8 View
2002-04-12 CLM Claims 2 View
2002-04-12 ABST Abstract 1 View
2002-04-12 DRW Drawings-only black and white line drawings 1 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 6,723,154
App. No.
10/121,529
Filed
2002-04-12
Granted
2004-04-20
Pub. No.
US20020194991A1
Art Unit
1724
PTA
-192 days