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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA TURBOALIMENTADO E PROCESSO PARA REDUÇÀO DE POLUENTES EM GÁS DE ESCAPAMENTO

ConcedidaInvention Patent

Application data

Number

PI8101919

Type

Invention Patent

Filing

03/31/1981

Publication

10/06/1981

Progress at the INPI

  1. Filing03/31/81
  2. Publication10/06/81
  3. Examination03/09/82
  4. Allowance04/12/88
  5. Grant09/27/88
  6. Terminated02/04/92

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson Matthey & Co. Limited

GB

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Inventors

E. B. (pessoa física)

H. G. (pessoa física)

M. E. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8010769 · 03/31/1980

GB

8014099 · 04/29/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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