EP3552049A4

Anti-reflective surface structures formed using three-dimensional etch mask

Abstract

This record has no abstract on file.

EP3552049A4, drawing sheet 1 — Sheet 1 of 1

Term

Projected expiry 7 December 2037.

Parties

Owner: Sanghera, Jasbinder S.
Assigned now: AGGARWAL ISHWAR D
BUSSE LYNDA E
FRANTZ JESSE A
POUTOUS MENELAOS K
and 3 more assigneesShow fewer
SHAW LESLIE BRANDON
THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
US GOV SEC NAVY
Applicants: The Government of the United States of America, as represented by the Secretary of the Navy
Frantz, Jesse A.
Busse, Lynda E.
Shaw, Leslie, Brandon
and 3 more applicantsShow fewer
Sanghera, Jasbinder S.
Aggarwal, Ishwar D.
Poutous, Menelaos K.
Inventors: FRANTZ, Jesse, A., Washington, DC 20375, United States of America
BUSSE, Lynda, E., Washington, DC 20375, United States of America
SHAW, Leslie, Brandon, Washington, DC 20375, United States of America
SANGHERA, Jasbinder, S., Washington, DC 20375, United States of America
and 2 more inventorsShow fewer
AGGARWAL, Ishwar, D., Charlotte, NC 28223, United States of America
POUTOUS, Menelaos, K., Charlotte, NC 28223, United States of America

Examination

Examiner: Mollenhauer, Ralf
Agent: De Vries & Metman

Reach

Cites: 7 earlier patents, 1 other work⁠
Family: 6 members in 4 offices⁠EP2US2JPWO

Classification

CPC: G02B1/113G02B1/118G02B1/111
IPC: G02B1 12G02B1 113

1 sheet

Sheet 1

Every citation, both ways

Citations
Document	Relation	Office	Cited during
US2010033819A1	Cites	United States of America	Search report
US2010149510A1	Cites	United States of America	Search report
US2011149399A1	Cites	United States of America	Search report
US2013128362A1	Cites	United States of America	Search report
US2015103396A1	Cites	United States of America	Examiner
US2015160377A1	Cites	United States of America	Search report
US2015268383A1	Cites	United States of America	Search report
See also references of WO 2018106905A1	Non-patent	–	Search report

6 members in 4 offices

This recordMember, by publication datePriority claim

Priority claims9

Priority claims
Document	Office	Kind	Date
201662431167	United States of America	P	2016-12-07
201662431167	United States of America	P	2016-12-07
201662431167P	United States of America	–	2016-12-07
2017065093	United States of America	W	2017-12-07
2017065093	United States of America	W	2017-12-07
201662431167P	–	–	–
US201662431167P	–	–	–
US2017065093	–	–	–
WO2017US65093	–	–	–

Members6

Family members, oldest first
Document	Office	Kind
WO2018106905A1	World Intellectual Property Organization (WIPO)	A1	2018-06-14
US2018172882A1	United States of America	A1	2018-06-21
EP3552049A1	European Patent Office (EPO)	A1	2019-10-16
EP3552049A4This record	European Patent Office (EPO)	A4	2020-10-28
US11035984B2	United States of America	B2	2021-06-15
JP2022515936A	Japan	A	2022-02-24

29 legal events, as the office reported them to INPADOC

Over the term

Point at a mark for the event

Events

Legal events, newest first
	Event	Code
2026-01-14	Application deemed to be withdrawnWithdrawn18D	18D
2025-12-12	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA	STAA
2025-05-21	Intention to grant announcedINTG	INTG
2025-04-23	Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP	GRAP
2025-04-23	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: GRANT OF PATENT IS INTENDEDSTAA	STAA
2025-04-09	Information provided on ipc code assigned before grantRIC1	RIC1
2025-04-09	Information provided on ipc code assigned before grantRIC1	RIC1
2025-04-09	Information provided on ipc code assigned before grantRIC1	RIC1
2022-09-07	First examination report despatched17Q	17Q
2022-08-05	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA	STAA
2020-10-28	Supplementary search report drawn up and despatchedA4	A4
2020-10-28	Information provided on ipc code assigned before grantRIC1	RIC1
2020-10-28	Information provided on ipc code assigned before grantRIC1	RIC1
2020-08-12	Information provided on ipc code assigned before grantRIC1	RIC1
2020-08-12	Information provided on ipc code assigned before grantRIC1	RIC1
2020-03-25	Information on inventor provided before grant (corrected)RIN1	RIN1
2020-03-25	Information on inventor provided before grant (corrected)RIN1	RIN1
2020-03-25	Information on inventor provided before grant (corrected)RIN1	RIN1
2020-03-25	Information on inventor provided before grant (corrected)RIN1	RIN1
2020-03-25	Information on inventor provided before grant (corrected)RIN1	RIN1
2020-03-25	Information on inventor provided before grant (corrected)RIN1	RIN1
2020-03-18	Request for validation of the european patent (deleted)DAV	DAV
2020-03-18	Request for extension of the european patent (deleted)DAX	DAX
2019-10-16	Request for examination filed17P	17P
2019-10-16	Designated contracting statesAK	AK
2019-10-16	Request for extension of the european patentAX	AX
2019-09-13	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI
2019-09-13	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: REQUEST FOR EXAMINATION WAS MADESTAA	STAA
2018-06-16	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADESTAA	STAA