Filtre électronique

European patent · EP0339819 · Deleted

Register entry

Publication number
EP0339819
Application number
EP89303482
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Apr 10, 1989
Published
Nov 2, 1989
Granted
Dec 7, 1994
Deleted
Apr 30, 2003
Reason
Annual fee unpaid
IPC classes
H03H 17/02 (2006.01)
H04R 25/00 (2006.01)
H03M 1/00 (2006.01)
Priority
US A 180170 11.04.1988
Filing language
English
Source
Swissreg

History

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

  1. Dec 15, 2003

    Deleted, fee unpaid

    Published in +pat+ No 23 in 2003

  2. Oct 30, 1998

    Transferred

    Owner
    Central Institute for the Deaf, 818 South Euclid Avenue, Saint Louis/MO, USA → RESOUND CORPORATION, 220 Saginaw Drive,, Seaport Center, Redwood City, CA 94063, USA

    Published in PIDTJ No 20 in 1998

  3. Oct 30, 1998

    Transferred

    Owner
    RESOUND CORPORATION, 220 Saginaw Drive,, Seaport Center, Redwood City, CA 94063, USA → K/S Himpp, 25 Ny Vestergaardsvej, 3500 Vaerlose, Denmark

    Published in PIDTJ No 20 in 1998

  4. Jan 13, 1995

    Granted

    Published in PIDTJ No 1 in 1995

Parties

Inventor

Engel, George L.

St. Louis Missouri, US

Engebretson, A. Maynard

Ladue Missouri, US

Sullivan, Thomas J.

St. Louis Missouri, US

Morley, Robert E., jun.

Richmond Heights Missouri, US

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.