IP Library Granted Patent US 6,532,774
Granted Patent Utility
US 6,532,774 · Confirmation No. 2153

METHOD OF PROVIDING A HIGH LEVEL OF RARE EARTH CONCENTRATIONS IN GLASS FIBER PREFORMS

⬇ PDF
Code Description Pages PDF
2001-01-17 TRNA Transmittal of New Application 6 View
2001-01-17 SPEC Specification 39 View
2001-01-17 CLM Claims 1 View
2001-01-17 ABST Abstract 1 View
2001-01-17 DRW Drawings-only black and white line drawings 7 View
2001-01-17 OATH Oath or Declaration filed 2 View
2001-01-17 TRNA Transmittal of New Application 6 View
2001-01-17 SPEC Specification 39 View
2001-01-17 CLM Claims 1 View
2001-01-17 ABST Abstract 1 View
2001-01-17 DRW Drawings-only black and white line drawings 7 View
2001-01-17 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 6,532,774
App. No.
09/764,938
Filed
2001-01-17
Granted
2003-03-18
Pub. No.
US20020073739A1
Art Unit
1731
PTA
-27 days