IP Library › Granted Patent US 6,653,420
Granted Patent Utility
US 6,653,420 · Confirmation No. 5124

POROUS HYDROGELS

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-09-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-01-05 TRNA Transmittal of New Application 2 View
2001-01-05 SPEC Specification 15 View
2001-01-05 CLM Claims 2 View
2001-01-05 ABST Abstract 1 View
2001-01-05 OATH Oath or Declaration filed 3 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 6,653,420
App. No.
09/755,443
Filed
2001-01-05
Granted
2003-11-25
Pub. No.
US20020004573A1
Art Unit
1713
PTA
-71 days