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Official data from INPI

APERFEICOAMENTO EM MOTORES DE COMBUSTAO INTERNA DE CICLO SUB-DIVIDIDO

Em AnáliseInvention Patent

Application data

Number

PI8108989

Type

Invention Patent

Filing

11/13/1980

Publication

03/01/1983

Progress at the INPI

  1. Filing11/13/80
  2. Publication03/01/83
  3. Examination06/05/84
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated11/16/88

The patent was granted on 06/30/1987 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WISHART JOHN DONALD [AU]

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

8.1

07/22/1986

RPI 822

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Retificação da notificação da fase nacional - PCT

#1.3.1

07/19/1983

RPI 665

Retificação da notificação da fase nacional - PCT

#1.3.1

05/10/1983

RPI 655

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1983

RPI 645

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