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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE ÓLEOS COMBUSTÍVEL, GAS ÓLEO E PROCESSO DE ALIMENTAÇÃO DE UM MOTOR DIESEL DE ALTA VELOCIDADE.

ConcedidaInvention Patent

Application data

Number

PI8006688

Type

Invention Patent

Filing

10/17/1980

Publication

-

Progress at the INPI

  1. Filing10/17/80
  2. Publication
  3. Examination03/29/83
  4. Allowance09/25/84
  5. Grant04/30/85
  6. Terminated09/25/90

The patent was granted on 04/30/1985 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Coal Industry (Patents) Limited

GB

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Inventors

G. D. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

79/36411 · 10/19/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

02/21/1984

RPI 696

Pedido de certificado de adição de invenção

#5.1

08/23/1983

RPI 670

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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