IP Library Granted Patent US 6,520,612
Granted Patent Utility
US 6,520,612 · Confirmation No. 9643

SENSING SYSTEM FOR DETECTING PRESENCE OF AN INK CONTAINER

Patented Case View Patent ↗
⬇ PDF
Code Description Pages PDF
2001-03-26 TRNA Transmittal of New Application 3 View
2001-03-26 SPEC Specification 22 View
2001-03-26 CLM Claims 4 View
2001-03-26 ABST Abstract 1 View
2001-03-26 DRW Drawings-only black and white line drawings 12 View
2001-03-26 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 6,520,612
App. No.
09/817,492
Filed
2001-03-26
Granted
2003-02-18
Art Unit
2853
PTA
-9 days