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Official data from INPI

CATALISADOR PARA CONVERSÃO DE GÁS DE SÍNTESE OU METANOL; PROCESSO PARA PRODUÇÃO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8203382

Type

Invention Patent

Filing

06/09/1982

Publication

05/31/1983

Progress at the INPI

  1. Filing06/09/82
  2. Publication05/31/83
  3. Examination05/29/84
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Terminated05/24/88

The patent was granted on 09/30/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Coal Industry (Patents) Limited

GB

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Inventors

A. C. (pessoa física)

GB

D. B. (pessoa física)

GB

J. R. (pessoa física)

GB

Technical data

Priority claims

GB

81/18956 · 06/19/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação do pedido de patente

#3.1

05/31/1983

RPI 658

Pedido de patente depositado

#2.1

07/27/1982

RPI 614

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