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Official data from INPI

MÉTODO PARA FABRICAÇÃO DE AÇO EM TIRAS MODELÁVEIS E APARELHO PARA SUA REALIZAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8804504

Type

Invention Patent

Filing

09/01/1988

Publication

04/04/1989

Progress at the INPI

  1. Filing09/01/88
  2. Publication04/04/89
  3. Examination11/14/89
  4. Allowance10/01/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hoogovens Groep B.V

NL

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Inventors

E. P. (pessoa física)

NL

H. H. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8702050 · 09/01/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

04/04/1989

RPI 963

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 01/09/2008

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

11/29/1994

RPI 1252

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