IP Library › Granted Patent US 6,801,648
Granted Patent Utility Small
US 6,801,648 · Confirmation No. 7786

OPTICAL IMAGING SYSTEM WITH SYMMETRIC OPTICAL PROBE

Inventor: Xuefeng Cheng
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-12-22 C.AD Change of Address 1 View
2001-02-06 TRNA Transmittal of New Application 2 View
2001-02-06 SPEC Specification 35 View
2001-02-06 CLM Claims 11 View
2001-02-06 ABST Abstract 1 View
2001-02-06 DRW Drawings-only black and white line drawings 10 View
2001-02-06 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 6,801,648
App. No.
09/778,614
Filed
2001-02-06
Granted
2004-10-05
Pub. No.
US20020037095A1
Art Unit
2625
PTA
-173 days