IP Library › Patent Application 60456381
Patent Application Provisional
App. No. 60/456,381 · Confirmation No. 2837

Polarization-splitting waveguide grating coupler

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2022-03-24 OATH Oath or Declaration filed 50 View
2021-03-02 SES.LOSS.ELC Notification of loss of entitlement to small entity status via Patent Application Information Retrieval (PAIR) 1 View
2021-01-13 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
2003-03-21 TRNA Transmittal of New Application 2 View
2003-03-21 SPEC Specification 6 View
2003-03-21 DRW Drawings-only black and white line drawings 5 View
2003-03-21 OATH Oath or Declaration filed 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.
60/456,381
Filed
2003-03-21