IP Library › Granted Patent US 6,761,827
Granted Patent Utility
US 6,761,827 · Confirmation No. 3665

METHOD AND APPARATUS FOR PURIFYING WATER

Inventor: Richard T. Coffey
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2009-05-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-05-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-05-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-05-18 TRAN.LET Transmittal Letter 1 View
2009-05-18 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-05-18 PA.. Power of Attorney 1 View
2004-05-12 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-10-26 TRNA Transmittal of New Application 4 View
2001-10-26 SPEC Specification 8 View
2001-10-26 CLM Claims 4 View
2001-10-26 ABST Abstract 1 View
2001-10-26 OATH Oath or Declaration filed 3 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 6,761,827
App. No.
10/014,944
Filed
2001-10-26
Granted
2004-07-13
Pub. No.
US20030080069A1
Art Unit
1724
PTA
-105 days