Official data from INPI

Sistema redutor do consumo de combustível e sistema de partida automática para um motor de combustão interna.

ConcedidaInvention Patent

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Application data

Number

PI8306165

Type

Invention Patent

Filing

11/09/1983

Publication

07/16/1985

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Progress at the INPI

Filing11/09/83
Publication07/16/85
Examination11/12/85
Allowance10/29/86
Grant07/28/87
Terminated02/18/92

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Volkswagen do Brasil S/A

SP, BR

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Inventors

A. A. (pessoa física)

Technical data

IPC Classification

F02M 7/12 F02N 11/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

01/24/1984

RPI 692

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

20.4

08/27/1991

RPI 1082

20.7