IP Library › Patent Application 09927105
Patent Application Utility Small
App. No. 09/927,105 · Confirmation No. 3885

IN-FIBER VARIABLE OPTICAL ATTENUATORS AND MODULATORS USING INDEX-CHANGING LIQUID MEDIA

Inventors: Bo Pi, Shulai Zhao
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
⬇ PDF
 Code Description Pages PDF
2003-07-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-21 LET. Miscellaneous Incoming Letter 2 View
2001-08-10 TRNA Transmittal of New Application 3 View
2001-08-10 SPEC Specification 32 View
2001-08-10 CLM Claims 7 View
2001-08-10 ABST Abstract 1 View
2001-08-10 DRW Drawings-only black and white line drawings 18 View
2001-08-10 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
App. No.
09/927,105
Filed
2001-08-10
Granted
2003-09-16
Art Unit
2874
PTA
0 days