Zentrifugensieb

Swiss patent · CH654759 · Deleted

Register entry

Publication number
CH654759
Application number
CH004826/1981
Kind
Swiss patent
Status
Deleted
Specification
Granted
Filed
Jul 24, 1981
Published
Mar 14, 1986
Granted
Mar 14, 1986
Deleted
Jul 23, 2001
Reason
Maximum term reached
IPC classes
B04B 7/18 (2006.01)
Filing language
German
Source
Swissreg

History

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

  1. Aug 31, 2001

    Maximum term reached

    Published in PIDTJ No 16 in 2001

  2. Nov 15, 1995

    Agent entered

    Representative
    Sulzer Management AG, KS/Patente/0007, 8401 Winterthur

    Published in PIDTJ No 21 in 1995

  3. Mar 14, 1986

    Granted

    Published in PIDTJ No 5 in 1986

Parties

Holder

Sulzer-Escher Wyss AG

Hardstrasse 319, 8023 Zürich

Struck from the register

Agent

Sulzer Management AG

KS/Patente/0007, 8401 Winterthur

Inventor

Spiewok, Leonhard

Wallisellen

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.