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Official data from INPI

PROCESSO PARA A FUSÃO DE SUCATA DE METAL E FORNO PARA REALIZAÇÃO DO PROCESSO

PublicadaInvention Patent

Application data

Number

PI8806559

Type

Invention Patent

Filing

12/13/1988

Publication

08/22/1989

Progress at the INPI

  1. Filing12/13/88
  2. Publication08/22/89
  3. Examination07/16/91
  4. Allowance02/21/96
  5. Grant10/29/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deutsche Voest-Alpine Industrieanlagenbau Gmbh

DE

Deutsche Voest-Alppine Industrieanlagenbau Gmbh

DE

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Inventors

D. M. (pessoa física)

DE

M. H. (pessoa física)

DE

Technical data

Priority claims

DE

P 37 42 349.5 · 12/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Carta-patente expirada

#21.1

Patente extinta em 13/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/29/1996

RPI 1352

Deferimento

#9.1

02/21/1996

RPI 1316

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

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