Fluides de forage

European patent · EP0259111 · Deleted

Register entry

Publication number
EP0259111
Application number
EP87307634
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Aug 28, 1987
Published
Mar 9, 1988
Granted
Jul 10, 1991
Deleted
Aug 31, 1993
Reason
Annual fee unpaid
IPC classes
C09K 7/06 (2000.01)
Priority
US A 902772 02.09.1986
Filing language
English
Source
Swissreg

History

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

  1. Oct 26, 2024

    Deleted, fee unpaid

    Published in Swissreg on 26.10.2024

  2. Aug 30, 1991

    Granted

    Published in PIDTJ No 16 in 1991

Parties

Holder

Exxon Research and Engineering Company

180 Park Avenue P.O. Box 390, Florham Park/NJ, US

Agent

E. Blum & Co. Patentanwälte

Am Vorderberg 11, 8044 Zürich

Inventor

Lundberg, Robert Dean

Bridgewater New Jersey 08807, US

Peiffer, Dennis George

Annandale New Jersey 08801, US

Newlove, John Christopher

Kingwood Texas 77345, US

Werlein, Eugene Richard

Simonton Texas 77476, 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.