IP Library › Granted Patent US 6,730,419
Granted Patent Utility
US 6,730,419 · Confirmation No. 1631

BLUE LIGHT EMITTING COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE EMPLOYING THE SAME AS COLOR DEVELOPING SUBSTANCE

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2004-03-03 LET. Miscellaneous Incoming Letter 3 View
2004-03-03 DRW Drawings-only black and white line drawings 4 View
2004-01-12 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-05-07 TRNA Transmittal of New Application 3 View
2001-05-07 SPEC Specification 31 View
2001-05-07 CLM Claims 5 View
2001-05-07 ABST Abstract 1 View
2001-05-07 DRW Drawings-only black and white line drawings 4 View
2001-05-07 OATH Oath or Declaration filed 4 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 6,730,419
App. No.
10/187,725
Filed
2002-07-01
Granted
2004-05-04
Pub. No.
US20030064246A1
Art Unit
1774
PTA
-69 days