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European patent · EP0288288 · Deleted

Register entry

Publication number
EP0288288
Application number
EP88303624
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Apr 21, 1988
Published
Oct 26, 1988
Granted
Mar 4, 1992
Deleted
Apr 30, 1996
Reason
Annual fee unpaid
IPC classes
E21B 29/00 (2006.01)
E21B 23/00 (2006.01)
B23D 45/12 (2006.01)
Priority
CA A 535380 23.04.1987
Filing language
English
Source
Swissreg

History

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

  1. Dec 13, 1996

    Deleted, fee unpaid

    Published in PIDTJ No 23 in 1996

  2. Apr 15, 1992

    Granted

    Published in PIDTJ No 7 in 1992

Parties

Inventor

Fortin, Roland

Sudbury Ontario P3A 4C7, CA

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.