IP Library › Granted Patent US 6,398,839
Granted Patent Utility
US 6,398,839 · Confirmation No. 5305

PLEATED FLUID FILTER MEDIUM FRAME

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2021-11-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2010-10-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-10-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-10-04 PA.. Power of Attorney 2 View
2010-10-04 C.AD Change of Address 1 View
2010-10-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-04-24 TRNA Transmittal of New Application 13 View
2001-04-24 A.PE Preliminary Amendment 2 View
2001-04-24 SPEC Specification 12 View
2001-04-24 CLM Claims 5 View
2001-04-24 ABST Abstract 1 View
2001-04-24 DRW Drawings-only black and white line drawings 3 View
2001-04-24 OATH Oath or Declaration filed 5 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 6,398,839
App. No.
09/840,938
Filed
2001-04-24
Granted
2002-06-04
Pub. No.
US20010032446A1
Art Unit
1724
PTA
-66 days