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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE AÇO FORMÁVEL NA FORMA DE UMA TIRA E TIRA ASSIM PRODUZIDA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905936

Type

Invention Patent

Filing

11/24/1989

Publication

06/19/1990

Progress at the INPI

  1. Filing11/24/89
  2. Publication06/19/90
  3. Examination11/17/92
  4. Allowance04/30/96
  5. Grant04/29/97
  6. Expired12/29/09

The letters patent expired on 12/29/2009: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. V. (pessoa física)

NL

Hoogovens Staal BV

NL

See this company's full portfolio

Inventors

D. H. (pessoa física)

NL

E. P. (pessoa física)

NL

R. G. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8802892 · 11/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/11/2004

12/29/2009

RPI 2034

Alteração de nome deferida

#25.4

Alterado de: Hoogovens Groep B.V.

05/16/2000

RPI 1532

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

04/30/1996

RPI 1326

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

06/19/1990

RPI 1023

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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