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Opposition Filed Opposition filed by Minnesota Mining and Manufacturing Company EP Register Verified

Coated abrasive material

Publication No. EP0395088
•
App No. EP90108068
•
Filed by NORTON COMPANY
•
Filed on 1990-04-27
•
Issued/Published on 2003-12-03
Publication No. EP0395088 A2
Application No. EP90108068 Filed: 1990-04-27
Grant Date 2003-12-03 Mention of grant
Active Oppositions 1 Active EPO Oppositions

Patent Abstract / Summary

[0001] Coated abrasive materials having abrasive filaments of polycrystalline alumina.

IPC Classifications

C09K3/14

Priority Claims

US 19890344700 Date: 1989-04-28

Designated Contracting States (14 EPC States)

Austria Austria (AT) Belgium Belgium (BE) Switzerland Switzerland (CH) Germany Germany (DE) Denmark Denmark (DK) Spain Spain (ES) France France (FR) United Kingdom United Kingdom (GB) Greece Greece (GR) Italy Italy (IT) Liechtenstein Liechtenstein (LI) Luxembourg Luxembourg (LU) Netherlands Netherlands (NL) Sweden Sweden (SE)

Parties & Representation

Applicants

NORTON COMPANY

1 New Bond Street, Box 15008, Worcester, MA 01615-0008

US

Inventors (1)

Kelly, Robert G.

7 Wren Lane, Latham, NY 12220

US

Representatives / Agents

Diehl, Hermann O. Th., et al

Diehl & Partner GbR, Postfach 34 01 15

DE

Diehl, Hermann O. Th., Dr., et al

Diehl, Glaeser, Hiltl & Partner Patentanwälte Postfach 19 03 65, D-80603 München

DE

Weinberger, Rudolf, et al

Vossius & Partner, Siebertstrasse 4

DE

Key Procedural Dates

Request-For-Examination 1991-07-05
Patent-Maintained-As-Amended 2003-12-03
First-Examination-Report-Despatched 1992-08-17

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