Gegenstromwärmetauscher

European patent · EP0844454 · Deleted

Register entry

Publication number
EP0844454
Application number
EP97115655
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Sep 10, 1997
Published
May 27, 1998
Granted
Dec 11, 2002
Deleted
Sep 30, 2012
Reason
Annual fee unpaid
IPC classes
F28D 9/00 (2006.01)
Priority
DE 19648139 21.11.1996
Filing language
German
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Apr 17, 2013

    Deleted, fee unpaid

    Published in Swissreg on 17.04.2013

  2. Oct 15, 2007

    Address changed

    Representative
    E. Blum & Co. Patentanwälte, Am Vorderberg 11, 8044 Zürich → E. Blum & Co. AG, Patent- und Markenanwälte VSP, Vorderberg 11, 8044 Zürich

    Published in +pat+ No 19 in 2007

  3. Feb 14, 2003

    Agent entered

    Representative
    E. Blum & Co. Patentanwälte, Am Vorderberg 11, 8044 Zürich

    Published in +pat+ No 3 in 2003

  4. Dec 13, 2002

    Granted

    Published in +pat+ No 23 in 2002

Parties

Inventor

Berger, Ralph

46117 Oberhausen, DE

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.