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Swiss patent · CH572969 · Deleted

Register entry

Publication number
CH572969
Application number
CH003823/1972
Kind
Swiss patent
Status
Deleted
Specification
Granted
Filed
Mar 15, 1972
Published
Jan 15, 1976
Granted
Jan 15, 1976
Deleted
Mar 15, 1992
Reason
Maximum term reached
IPC classes
C10L 1/14 (2006.01)
Filing language
German
Source
Swissreg

History

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

  1. Oct 29, 2024

    Maximum term reached

    Published in Swissreg on 29.10.2024

  2. Jan 15, 1976

    Granted

    Published in PIDTJ No 1 in 1976

Parties

Holder

Shell Internationale Research Maatschappij N.V.

Carel van Bylandtlaan 30, Den Haag, NL

Agent

Kirker & Cie SA

122, rue de Genève Case postale 65, 1226 Thônex (Genève)

Inventor

Eduard Johan van de Kraats

Amsterdam, NL

Arnold Anthonie Buitelaar

Amsterdam, NL

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.