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Official data from INPI

PROCESSO E DISPOSITIVO PARA A PARTIDA A FRIO DE MOTORES DE COMBUSTÃO INTERNA, DO CICLO OTTO, MOVIDOS A ÁLCOOL COMBUSTÍVEL

Em AnáliseInvention Patent

Application data

Number

PI8504863

Type

Invention Patent

Filing

10/02/1985

Publication

05/12/1987

Progress at the INPI

  1. Filing10/02/85
  2. Publication05/12/87
  3. Examination07/18/89
  4. Allowance10/09/90
  5. Grant05/28/91
  6. Terminated06/04/96

The patent was granted on 05/28/1991 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Autolatina Brasil S.A

SP, BR

Volkswagen do Brasil S/A

SP, BR

See this company's full portfolio

Inventors

J. F. (pessoa física)

BR

O. Z. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/18/1989

RPI 978

Publicação do pedido de patente

#3.1

05/12/1987

RPI 864

Pedido de patente depositado

#2.1

12/17/1985

RPI 791

Anuidade - prazo legal encerrado

#18.2

06/04/1996

RPI 1331

20.4

12/10/1991

RPI 1097

20.7

12/10/1991

RPI 1097

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

01/22/1991

RPI 1051

Deferimento

#9.1

10/09/1990

RPI 1036

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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