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Official data from INPI

MÉTODO PARA FABRICAÇÃO DE MATE DE NÍQUEL DE ALTA GRADUAÇÃO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9000366

Type

Invention Patent

Filing

01/24/1990

Publication

12/04/1990
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Progress at the INPI

  1. Filing01/24/90
  2. Publication12/04/90
  3. Examination05/21/91
  4. Allowance07/29/03
  5. Grant11/11/03
  6. Expired06/24/14

The letters patent expired on 06/24/2014: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/24/2014. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Outokumpu Oy

FI

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Inventors

J. A. (pessoa física)

FI

T. H. (pessoa física)

FI

Technical data

IPC Classification

C22B 23/02

Priority claims

FI

890395 · 01/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/11/2013

06/24/2014

RPI 2268

Concessão da patente

#16.1

11/11/2003

RPI 1714

Deferimento

#9.1

07/29/2003

RPI 1699

Exigência - art. 36 da LPI

#6.1

04/08/2003

RPI 1683

Exigência - art. 36 da LPI

#6.1

11/19/2002

RPI 1663

Conhecimento de parecer técnico

#7.1

05/22/2001

RPI 1585

Conhecimento de parecer técnico

#7.1

11/03/1999

RPI 1504

6.2

03/26/1996

RPI 1321

Solicitação de exame técnico

#4.1

05/21/1991

RPI 1068

Publicação do pedido de patente

#3.1

12/04/1990

RPI 1044

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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