IP Library Granted Patent US 6,429,930
Granted Patent Utility
US 6,429,930 · Confirmation No. 4496

DETERMINATION OF CENTER OF FOCUS BY DIFFRACTION SIGNATURE ANALYSIS

⬇ PDF
Code Description Pages PDF
2001-09-04 TRNA Transmittal of New Application 6 View
2001-09-04 ADS Application Data Sheet 2 View
2001-09-04 SPEC Specification 20 View
2001-09-04 CLM Claims 7 View
2001-09-04 ABST Abstract 1 View
2001-09-04 DRW Drawings-only black and white line drawings 9 View
2001-09-04 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 6,429,930
App. No.
09/946,104
Filed
2001-09-04
Granted
2002-08-06
Pub. No.
US20020041373A1
Art Unit
2877
PTA
-63 days