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Official data from INPI

PROCESSO PARA A COMBUSTAO DE COMBUSTIVEL NAO-INFLAMAVEL EMMOTORES A PISTAO DE QUATRO TEMPOS COM INJECAO DE COMBUSTIVEL

Em AnáliseInvention Patent

Application data

Number

PI8008277

Type

Invention Patent

Filing

12/17/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing12/17/80
  2. Publication08/03/82
  3. Examination09/18/84
  4. Allowance09/10/85
  5. Grant04/29/86
  6. Terminated06/21/88

The patent was granted on 04/29/1986 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MOTOREN WERKE MANNHEIM AG [DE]

Inventors

D. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

16.3

07/29/1986

RPI 823

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

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