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Official data from INPI

PROCESSO E INSTALACAO PARA GASEIFICAR MATERIAL CARBONACEO

ConcedidaInvention Patent

Application data

Number

PI8206416

Type

Invention Patent

Filing

03/01/1982

Publication

05/08/1984

Progress at the INPI

  1. Filing03/01/82
  2. Publication05/08/84
  3. Examination05/27/86
  4. Allowance05/31/88
  5. Grant12/27/88
  6. Terminated01/03/95

The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SKF STEEL ENG AB [SE]

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Inventors

J. B. (pessoa física)

S. S. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

06/16/1987

RPI 869

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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