IP Library Granted Patent US 6,646,261
Granted Patent Utility
US 6,646,261 · Confirmation No. 4336

SEM PROVIDED WITH A SECONDARY ELECTRON DETECTOR HAVING A CENTRAL ELECTRODE

Inventor: Jan Martijn Krans
⬇ PDF
Code Description Pages PDF
2014-01-28 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-09-08 LET. Miscellaneous Incoming Letter 1 View
2003-09-03 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-03 LET. Miscellaneous Incoming Letter 1 View
2001-12-20 TRNA Transmittal of New Application 1 View
2001-12-20 A.PE Preliminary Amendment 3 View
2001-12-20 SPEC Specification 10 View
2001-12-20 CLM Claims 1 View
2001-12-20 ABST Abstract 1 View
2001-12-20 DRW Drawings-only black and white line drawings 4 View
2001-12-20 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 6,646,261
App. No.
10/024,777
Filed
2001-12-20
Granted
2003-11-11
Pub. No.
US20020125428A1
Art Unit
2881
PTA
-11 days