IP Library Patent Application 60446844
Patent Application Provisional Small
App. No. 60/446,844 · Confirmation No. 6751

Optical waveguide incorporating an optical cavity optical waveguide grating coupler with undercut

Provisional Application Expired
⬇ PDF
Code Description Pages PDF
2022-03-24 OATH Oath or Declaration filed 50 View
2021-02-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-02-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-01-11 PA.. Power of Attorney 1 View
2021-01-11 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2021-01-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-02-11 TRNA Transmittal of New Application 1 View
2003-02-11 SPEC Specification 62 View
2003-02-11 ABST Abstract 1 View
2003-02-11 DRW Drawings-only black and white line drawings 23 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.
60/446,844
Filed
2003-02-11