IP Library Granted Patent US 6,525,559
Granted Patent Utility
US 6,525,559 · Confirmation No. 2759

FAIL-SAFE CIRCUIT WITH LOW INPUT IMPEDANCE USING ACTIVE-TRANSISTOR DIFFERENTIAL-LINE TERMINATORS

Inventors: Ke Wu, David Kwong
Patented Case View Patent ↗
⬇ PDF
Code Description Pages PDF
2002-04-22 TRNA Transmittal of New Application 7 View
2002-04-22 ADS Application Data Sheet 2 View
2002-04-22 SPEC Specification 10 View
2002-04-22 CLM Claims 6 View
2002-04-22 ABST Abstract 2 View
2002-04-22 DRW Drawings-only black and white line drawings 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 6,525,559
App. No.
10/063,416
Filed
2002-04-22
Granted
2003-02-25
Art Unit
2819
PTA
0 days