IP Library › Granted Patent US 6,639,706
Granted Patent Utility
US 6,639,706 · Confirmation No. 9527

OPTICAL PATH SWITCH AND METHOD OF USING THEREOF

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2024-02-22 OATH Oath or Declaration filed 7 View
2024-02-21 OATH Oath or Declaration filed 21 View
2024-02-21 OATH Oath or Declaration filed 21 View
2009-12-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-12-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-11-20 PA.. Power of Attorney 1 View
2009-11-20 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-11-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-08-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-25 LET. Miscellaneous Incoming Letter 1 View
2002-05-20 TRNA Transmittal of New Application 1 View
2002-05-20 DRW Drawings-only black and white line drawings 2 View
2002-05-20 OATH Oath or Declaration filed 2 View
2002-01-23 TRNA Transmittal of New Application 2 View
2002-01-23 SPEC Specification 12 View
2002-01-23 CLM Claims 2 View
2002-01-23 ABST Abstract 1 View
2002-01-23 DRW Drawings-only black and white line drawings 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 6,639,706
App. No.
10/055,815
Filed
2002-01-23
Granted
2003-10-28
Pub. No.
US20020126363A1
Art Unit
2873
PTA
-8 days