The patent EP3429723 was granted to Eurofilters on Jul 15, 2020. The application was originally filed on Mar 15, 2017 under application number EP17712067A. The patent is currently recorded with a legal status of "Revoked".

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Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102013014920 |
| INTERNATIONAL-SEARCH-REPORT | DE202008016836U |
| INTERNATIONAL-SEARCH-REPORT | EP0960645 |
| INTERNATIONAL-SEARCH-REPORT | EP2161374 |
| INTERNATIONAL-SEARCH-REPORT | US2009223190 |
| INTERNATIONAL-SEARCH-REPORT | US2011030557 |
| INTERNATIONAL-SEARCH-REPORT | WO2011057641 |
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Date
Description
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Mar 18, 2025
Refund of fees
Appeal
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Reply to appeal
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Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Jun 3, 2020
(Electronic) Receipt
Search/Exam
Jun 3, 2020
English translation of the claims
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Jun 3, 2020
French translation of claims
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Jun 3, 2020
Letter accompanying subsequently filed items
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Mar 6, 2020
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Intention to grant (signatures)
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Mar 6, 2020
Text intended for grant (clean copy)
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Mar 6, 2020
Jan 22, 2020
Amended claims with annotations
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Jan 22, 2020
Claims
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Jan 22, 2020
Cover sheet for fax transmission
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Jan 22, 2020
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Amended claims with annotations
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Jan 21, 2020
Claims
Search/Exam
Jan 21, 2020
Nov 26, 2019
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Jul 12, 2019
Annex to the communication
Search/Exam
Jul 12, 2019
Communication from the Examining Division
Search/Exam
Jul 8, 2019
Examination started
Search/Exam
Jan 4, 2019
Oct 26, 2018
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Communication to designated inventor
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Oct 23, 2018
Communication to designated inventor
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Oct 19, 2018
Priority search results copy provided by EPO
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Oct 19, 2018
Priority search results copy provided by EPO
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Oct 19, 2018
Priority search results copy provided by EPO
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Oct 19, 2018
Priority search results copy provided by EPO
Search/Exam
Oct 19, 2018
Priority search results copy provided by EPO
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Oct 19, 2018
Priority search results copy provided by EPO
Search/Exam
Oct 15, 2018
(Electronic) Receipt
Search/Exam
Oct 15, 2018
Oct 15, 2018
Amended claims with annotations
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Oct 15, 2018
Request for entry into the European phase
Search/Exam
Oct 3, 2018
Jul 25, 2018
Information on entry into European phase
Search/Exam
Nov 9, 2017
Copy of the international search report
Search/Exam
Nov 9, 2017
Copy of the international search report
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Nov 9, 2017
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Published international application - A2
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Sep 1, 2017
ISR: cited documents
PCTISA
Sep 1, 2017
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Mar 15, 2017
(Electronic) Receipt
PCTRO
Mar 15, 2017
Abstract
PCTRO
Mar 15, 2017
Claims
PCTRO
Mar 15, 2017
Description
PCTRO
Mar 15, 2017
Mar 15, 2017
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