Breathing Mask And Filter Housing For A Breathing Mask - EP3675969

The patent EP3675969 was granted to Drger Safety on Dec 11, 2024. The application was originally filed on May 14, 2019 under application number EP19724329A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3675969

DRGER SAFETY
Application Number
EP19724329A
Filing Date
May 14, 2019
Status
Granted And Under Opposition
Nov 8, 2024
Grant Date
Dec 11, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

MOLDEXMETRICSep 11, 2025GLEISS GROSSE SCHRELL UND PARTNERADMISSIBLE

Patent Citations (11) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONDE734496
DESCRIPTIONDE9300181U
DESCRIPTIONWO2017004313
INTERNATIONAL-SEARCH-REPORTDE102011051902
INTERNATIONAL-SEARCH-REPORTDE9300181U
INTERNATIONAL-SEARCH-REPORTUS2005205483
OPPOSITIONDE102011051902
OPPOSITIONDE9300181U
OPPOSITIONKR101419649B
OPPOSITIONUS2005205483
OPPOSITIONUS2018015243

Non-Patent Literature (NPL) Citations (23) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "Formaldehyde cartridge", Moldex / Respiratory Protection / Reusable Respirators / 8000 / Cartridges / Formaldehyde, Moldex, (20170728), pages 1 - 1, Moldex / Respiratory Protection / Reusable Respirators / 8000 / Cartridges / Formaldehyde, URL: https://web.archive.org/web/20170728002018/http://www.moldex.com:80/respiratory-protection/reusable-respirators/8000/cartridges/formaldehyde.php, XP093318927-
OPPOSITION- Anonymous, "Moldex ! Gas, Dampf", Moldex Katalog, MOLDEX-METRIC AG & Co. KG, (20020204), pages 1 - 4, Moldex Katalog, URL: http://www.moldex.com, XP093318913-
OPPOSITION- D10 - Preisliste aus dem Jahr 2009 mit der Gasfilterkartusche 8500-
OPPOSITION- D11 - Ein Poster aus dem Jahr 2009 mit der Gasfilterkartusche 8500-
OPPOSITION- D12 - Interner Teileverwendungsnachweis für die Gasfilterkartusche 8500-
OPPOSITION- D13 - Interne Zwischen-Artikel-Liste einer Deckeleinheit 858000 (Deckel der Gasfilterkartusche mit Filzeinlage)-
OPPOSITION- D14 - Eine Teileliste der Deckeleinheit 858000 mit dem Deckel 40052-
OPPOSITION- D15 - Bestelllisten des Deckels 40052 aus den Jahren 2000 bis 2013 und 2013 bis 2019-
OPPOSITION- D16 - Bestellung des Deckels 40052 mit der alternativen Artikelnummer 8000-302 aus dem Jahr 2001-
OPPOSITION- D17a - Eine Bestellung des Artikels 40052/8000-302 bei der Firma Wynnewood aus dem Jahr 2013-
OPPOSITION- D17 - Vorankündigung über den Bedarf an dem Artikel 40052/8000 - 302 bei der Firma Wynnewood aus dem Jahr 2010-
OPPOSITION- D18 - Rechnung über verkaufte Artikel 8500/A2-
OPPOSITION- D19 - Technische Zeichnung des Artikels 8000-302 aus dem Jahr 1991-
OPPOSITION- D20 - Eidesstattliche Versicherung Sven Oliver Bleher-
OPPOSITION- D21 - Eidesstattliche Versicherung Frank Wilhelm Kern-
OPPOSITION- D22 - Eidesstattliche Versicherung Roman Martin Skov-
OPPOSITION- D24 - Selection Guide-
OPPOSITION- D25 - Fitting instructions-
OPPOSITION- D26 - Orders of cartridge lid 8000-302-
OPPOSITION- D27 - Eidesstattliche Versicherung / affadavit Mr. Bernhard Mishkin (USA)-
OPPOSITION- D6 - EG-Baumusterprüfbescheinigung von 1997-
OPPOSITION- D8 - Datenblätter aus den Jahren 2005, 2007, 2008, 2014 für die Gasfilterkartusche 8500 der Systemserie 8000-
OPPOSITION- D9 - Gebrauchsanweisungen für die Serie 8000 aus den Jahren 2014, 2017-

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents