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Official data from INPI

GASEIFICADOR DE FUSÃO

PublicadaInvention Patent

Application data

Number

PI8707023

Type

Invention Patent

Filing

12/23/1987

Publication

08/09/1988

Progress at the INPI

  1. Filing12/23/87
  2. Publication08/09/88
  3. Examination11/20/90
  4. Allowance03/01/95
  5. Grant09/26/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deutsche Voest-Alpine Industrieanlagenbau GmbH

DE

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Inventors

D. P. (pessoa física)

DE

D. L. (pessoa física)

DE

D. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 44 776.5 · 12/23/1986

DE

P 37 37 271.8 · 11/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/09/1988

RPI 929

Pedido de patente depositado

#2.1

04/05/1988

RPI 911

Carta-patente expirada

#21.1

Patente extinta em 23/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/26/1995

RPI 1295

Notificação para pagamento de retribuição

#13.1

07/18/1995

RPI 1285

Deferimento

#9.1

03/01/1995

RPI 1265

Exigência - art. 36 da LPI

#6.1

03/29/1994

RPI 1217

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

14.4

08/28/1990

RPI 1030

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