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Free-Cutting Lead-Free Copper Alloy To Which Lead And Bismuth Are Not Added - EP3690069

The patent EP3690069 was granted to Poongsan on Aug 27, 2025. The application was originally filed on Jun 4, 2019 under application number EP19756080A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3690069

POONGSAN
Application Number
EP19756080A
Filing Date
Jun 4, 2019
Status
Patent Maintained As Amended
Jul 25, 2025
Grant Date
Aug 27, 2025
External Links
Slate, Register, Google Patents

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OTTO FUCHS KOMMANDITGESELLSCHAFTOct 23, 2023HAVERKAMP PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONKR20010033101
DESCRIPTIONKR20120104963
DESCRIPTIONKR20130035439
INTERNATIONAL-SEARCH-REPORTJP2000119775
INTERNATIONAL-SEARCH-REPORTJP2001064742
INTERNATIONAL-SEARCH-REPORTKR20120104963
INTERNATIONAL-SEARCH-REPORTKR20130035439
INTERNATIONAL-SEARCH-REPORTKR20130035440
OPPOSITIONJP2001064742
OPPOSITIONJPS6230861
OPPOSITIONUS6413330
SEARCHCN103643078B
SEARCHJPS60164198

Non-Patent Literature (NPL) Citations (8) 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- E. Roos et al., Werkstoffkunde für Ingenieure. 6. Auflage 2017,Kapitel 7 - Nichteisenmetalle-
OPPOSITION- "Kupfer-Zink- Legierungen (Messing und Sondermessing)", Deutsches Kupferinstitut, (20070301), URL: http://www.metall-breuckmann.de/download/Informationen_zu_Kupfer und_Zinklegierungen.pdf, (20150325), XP055179371-
OPPOSITION- Kupfer -Zink-Legierungen (Messing und Sondermessing), Deutsches Kupferinstitut, März 2007-
OPPOSITION- Kurt Dies, "6.5 Kupfer-Zink", Kupfer und Kupferlegierungen in der Technik, Springer-Verlag , (19670101), pages 254 - 261,273-275,333-337,350,373-374, XP055661342-
OPPOSITION- Kurt Dies. Kupfer und Kupferlegierungen in der Technik. Springer-Verlag 1967-
OPPOSITION- Taha M A, El-Mahallawy N A, Gheith M H, Hamouda R M, Moussa T M, "MACHINABILITY OF A NEW GROUP OF LEAD-FREE BRASS ALLOYS DEVELOPED FOR FITTINGS AND FAUCETS", ResearchGate, (20070101), ResearchGate, URL: https://www.researchgate.net/publication/316788779_Machinability_of_a_new_group_of_lead-free_brass_alloys_developed_for_fittings_and_faucets/link/5911b9014585152e1984defa/download?_tp=eyJjb250ZXh0Ijp7ImZpcnN0UGFnZSI6InB1YmxpY2F0aW9uIiwicGFnZSI6InB1YmxpY2F0aW9uIn19, (20240312), XP093140500-
OPPOSITION- Vorlesung Universität Freiburg, Intermetallische Phasen, Kapitel 4.Hume-Rothery-Phasen, 4.4. Beispiele. Bronze, Messing(Ouelle:http^/ruby.chemie.uni-freiburg.de/Vorlesung/intermetallische_4_4.html)-
OPPOSITION- Eberhard Roos, Karl Maile, Michael Seidenfuß , "7.1 Kupfer und Kupferlegierungen (Buntmetalle)", Eberhard Roos, Karl Maile, Michael Seidenfuß , Eberhard Roos, Karl Maile, Michael Seidenfuss, WERKSTOFFKUNDE FÜR INGENIEURE, 6. AUFLAGE, Springer Vieweg, (20170101), pages 235 - 245, doi:10.1007/978-3-662-49532-2_7, ISBN 978-3-662-49531-5, XP009554134

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