IP Library › Patent Application 09846609
Patent Application Utility
App. No. 09/846,609 · Confirmation No. 4778

TWO-DIMENSIONAL PYRAMID FILTER ARCHITECTURE

Inventor: Tinku Acharya
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2009-04-07 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-03-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-03-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-03-13 PA.. Power of Attorney 2 View
2008-03-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-03-05 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-02-06 LET. Miscellaneous Incoming Letter 3 View
2004-02-06 DRW Drawings-only black and white line drawings 9 View
2001-07-24 TRNA Transmittal of New Application 2 View
2001-07-24 DRW Drawings-only black and white line drawings 9 View
2001-04-30 TRNA Transmittal of New Application 2 View
2001-04-30 SPEC Specification 18 View
2001-04-30 CLM Claims 9 View
2001-04-30 ABST Abstract 1 View
2001-04-30 DRW Drawings-only black and white line drawings 9 View
2001-04-30 OATH Oath or Declaration filed 6 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.
09/846,609
Filed
2001-04-30
Granted
2004-04-20
Pub. No.
US20020194234A1
Art Unit
2124
PTA
-75 days