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Patent svizzer · CH676770 · Stritgà

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Numer da publicaziun
CH676770
Numer da la dumonda
CH001810/1988
Gener
Patent svizzer
Status
Stritgà
Scrittira da patent
Concedì
Annunzià
04-09-1987
Publitgà
28-02-1991
Concedì
28-02-1991
Stritgà
30-09-2002
Motiv
Taxa annuala betg pajada
Classas IPC
H04R 19/01 (2006.01)
Prioritad
US A907498 15.09.1986
Dumonda PCT
PCT/US1987/002259 04.09.1987
Publicaziun PCT
WO1988/002208 24.03.1988
Lingua da l’annunzia
englais
Funtauna
Swissreg

Istorgia

Quai che l’Institut federal da la proprietad intellectuala ha publitgà davart quest titel, il pli nov l’emprim.

  1. 15-05-2003

    Stritgà, taxa betg pajada

    Published in +pat+ No 9 in 2003

  2. 31-01-2000

    Transferì

    Owner
    Knowles Electronics, Inc., 1151 Maplewood Drive, Itasca/IL, USA → Knowles Electronics, LLC, 1151 Maplewood Drive, Itasca/IL 60143, USA

    Published in PIDTJ No 2 in 2000

  3. 28-02-1991

    Concedì

    Published in PIDTJ No 4 in 1991

Partidas

Inventur

Madaffari, Peter L.

Elgin/IL, US

Carlson, Elmer V.

Prospect Heights/IL, US

Il register numna mintga partida cun num ed adressa. In possessur u in represchentant vegn collià cun in’organisaziun, sch’exact ina unitad giuridica dal register da commerzi porta ses num; la via d’ina partida betg enconuschida uschia na vegn betg mussada qua.