IP Library › Granted Patent US 6,621,344
Granted Patent Utility
US 6,621,344 · Confirmation No. 1147

VARIABLE GAIN AMPLIFIER STAGE

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-07-23 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-22 TRNA Transmittal of New Application 1 View
2002-03-22 A.PE Preliminary Amendment 4 View
2002-03-22 SPEC Specification 5 View
2002-03-22 CLM Claims 3 View
2002-03-22 ABST Abstract 1 View
2002-03-22 DRW Drawings-only black and white line drawings 1 View
2002-03-22 OATH Oath or Declaration filed 2 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 6,621,344
App. No.
10/102,971
Filed
2002-03-22
Granted
2003-09-16
Pub. No.
US20020171489A1
Art Unit
2817
PTA
0 days