IP Library › Patent Application 09996166
Patent Application Utility Small
App. No. 09/996,166 · Confirmation No. 2103

OPTICAL SWITCHING DEVICE AND WAVELENGTH MULTIPLEXING DEVICE HAVING PLANAR WAVEGLUIDE-TYPE STRUCTURE

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2002-01-22 TRNA Transmittal of New Application 2 View
2002-01-22 DRW Drawings-only black and white line drawings 4 View
2001-11-27 TRNA Transmittal of New Application 3 View
2001-11-27 SPEC Specification 10 View
2001-11-27 CLM Claims 2 View
2001-11-27 ABST Abstract 1 View
2001-11-27 DRW Drawings-only black and white line drawings 4 View
2001-11-27 OATH Oath or Declaration filed 4 View
2001-11-27 LET. Miscellaneous Incoming Letter 1 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
App. No.
09/996,166
Filed
2001-11-27
Granted
2003-07-01
Pub. No.
US20030035612A1
Art Unit
2874
PTA
-1 days