IP Library › Granted Patent US 6,636,654
Granted Patent Utility
US 6,636,654 · Confirmation No. 9472

PROGRAMMABLE OPTICAL SWITCHING ADD/DROP MULTIPLEXER

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-08-04 LET. Miscellaneous Incoming Letter 4 View
2003-08-04 DRW Drawings-only black and white line drawings 12 View
2001-09-18 TRNA Transmittal of New Application 3 View
2001-09-18 SPEC Specification 34 View
2001-09-18 CLM Claims 13 View
2001-09-18 ABST Abstract 1 View
2001-09-18 DRW Drawings-only black and white line drawings 12 View
2001-09-18 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 6,636,654
App. No.
09/955,741
Filed
2001-09-18
Granted
2003-10-21
Pub. No.
US20020196494A1
Examiner
HEALY, BRIAN
Art Unit
2874
PTA
-31 days