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EP4025952
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Extract from the Register of European Patents
EP About this file: EP4025952
| EP4025952 - HEAD-MOUNTED DISPLAY (HMD) WITH SPATIALLY-VARYING RETARDER OPTICS [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 10.06.2022 Database last updated on 02.11.2024 | |
| Former | The international publication has been made Status updated on 29.05.2021 | Most recent event Tooltip | 15.04.2024 | The date on which the examining division becomes responsible, has been established | 15.04.2024 | Amendment by applicant | Applicant(s) | For all designated states Valve Corporation 10400 NE 4th Street Bellevue, Washington 98004 / US | [2022/28] | Inventor(s) | 01 /
HUDMAN, Joshua Mark 10400 NE 4th Street Bellevue, Washington 98004 / US | 02 /
MCCRACKEN, Ivan A. 10400 NE 4th Street Bellevue, Washington 98004 / US | [2022/28] | Representative(s) | Swindell & Pearson Limited 48 Friar Gate Derby DE1 1GY / GB | [2022/28] | Application number, filing date | 20890923.4 | 19.11.2020 | [2022/28] | WO2020US61293 | Priority number, date | US201916692823 | 22.11.2019 Original published format: US201916692823 | [2022/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2021102148 | Date: | 27.05.2021 | Language: | EN | [2021/21] | Type: | A1 Application with search report | No.: | EP4025952 | Date: | 13.07.2022 | Language: | EN | The application published by WIPO in one of the EPO official languages on 27.05.2021 takes the place of the publication of the European patent application. | [2022/28] | Search report(s) | International search report - published on: | US | 27.05.2021 | (Supplementary) European search report - dispatched on: | EP | 10.10.2023 | Classification | IPC: | G02B27/00, G02B27/28 | [2022/28] | CPC: |
G02B5/3083 (EP,KR);
G02B27/0172 (EP,KR);
G02B27/0018 (EP,KR);
G02B27/283 (EP,KR);
G02B27/62 (EP,KR)
| Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2022/28] | Title | German: | AM KOPF MONTIERTE ANZEIGE (HMD) MIT RÄUMLICH VARIIERENDER RETARDEROPTIK | [2022/28] | English: | HEAD-MOUNTED DISPLAY (HMD) WITH SPATIALLY-VARYING RETARDER OPTICS | [2022/28] | French: | VISIOCASQUE (HMD) COMPRENANT UNE OPTIQUE À RETARDATEUR VARIANT DANS L'ESPACE | [2022/28] | Entry into regional phase | 07.04.2022 | National basic fee paid | 07.04.2022 | Search fee paid | 07.04.2022 | Designation fee(s) paid | 07.04.2022 | Examination fee paid | Examination procedure | 07.04.2022 | Examination requested [2022/28] | 15.04.2024 | Amendment by applicant (claims and/or description) | 15.04.2024 | Date on which the examining division has become responsible | Fees paid | Renewal fee | 03.11.2022 | Renewal fee patent year 03 | 21.11.2023 | Renewal fee patent year 04 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]US5835279 (MARSHALL IAN [GB], et al); | [A]US2004179158 (SILVERSTEIN BARRY D [US], et al); | [A]US2004263989 (COBB JOSHUA M [US], et al); | [A]US6900866 (KURTZ ANDREW F [US], et al); | [A]JP5095162B ; | [A]US2016077335 (AN JUNGKWUEN [KR], et al); | [A]US2018101020 (GOLLIER JACQUES [US], et al); | [A]US10007121 (YANG WEN-CHU [TW], et al); | International search | [Y]US2003103214 (VANDELDEN JAY S [US]) [Y] 1, 7, and 8 * , See entire documents. *; | [YA]US2004184019 (TOTZECK MICHAEL [DE], et al) [Y] 1, 7, and 8 * , See entire documents, See entire documents. *[A] 1-20 | by applicant | US2004263989 | JP5095162B | US2016077335 |