IP Library Granted Patent US 6,685,843
Granted Patent Utility
US 6,685,843 · Confirmation No. 3195

INTERNAL SPA FILTER

Inventor: Gregg W. Leaverton
⬇ PDF
Code Description Pages PDF
2020-05-27 SES.LOSS.ELC Notification of loss of entitlement to small entity status via Patent Application Information Retrieval (PAIR) 1 View
2020-05-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-05-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-05-14 PA.. Power of Attorney 2 View
2020-05-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-10-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-10-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-09-29 PA.. Power of Attorney 1 View
2016-09-29 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2016-09-29 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-09-26 PET.AUTO ePetition Request Form 2 View
2016-09-26 WFEE Fee Worksheet (SB06) 2 View
2016-09-26 PET.DEC.AUTO ePetition Grant Letter 1 View
2016-09-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-12-11 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-12-11 LET. Miscellaneous Incoming Letter 1 View
2003-12-11 DRW Drawings-only black and white line drawings 3 View
2002-02-08 TRNA Transmittal of New Application 2 View
2002-02-08 DRW Drawings-only black and white line drawings 3 View
2001-11-21 TRNA Transmittal of New Application 4 View
2001-11-21 SPEC Specification 28 View
2001-11-21 CLM Claims 9 View
2001-11-21 ABST Abstract 1 View
2001-11-21 DRW Drawings-only black and white line drawings 3 View
2001-11-21 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 6,685,843
App. No.
09/990,616
Filed
2001-11-21
Granted
2004-02-03
Pub. No.
US20030094423A1
Art Unit
1724
PTA
-55 days