IP Library › Patent Application 61690952
Patent Application Provisional Small
App. No. 61/690,952 · Confirmation No. 7811

Grating couplers incorporating perturbed waveguides

Provisional Application Expired
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2022-03-24 OATH Oath or Declaration filed 50 View
2021-01-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-01-13 PA.. Power of Attorney 1 View
2021-01-13 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2021-01-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-07-30 APP.FILE.REC Filing Receipt 3 View
2012-07-09 TRNA Transmittal of New Application 3 View
2012-07-09 LET. Miscellaneous Incoming Letter 1 View
2012-07-09 SPEC Specification 5 View
2012-07-09 WFEE Fee Worksheet (SB06) 1 View
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Quick Facts
App. No.
61/690,952
Filed
2012-07-09