Official data from INPI

Cabeça de cilindro de cerâmica.

IndeferidaInvention Patent

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Application data

Number

PI8405768

Type

Invention Patent

Filing

11/07/1984

Publication

06/10/1986

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Progress at the INPI

Under appeal

Filing11/07/84
Publication06/10/86
Examination05/05/87
Refused11/07/89
Grant
In force

The application was refused by the INPI on 11/07/1989. The invention was never patented.

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Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e Velas de Ignição NGK do Brasil Ltda

SP, BR

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Inventors

M. Y. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/07/1989

RPI 994

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

06/10/1986

RPI 816

Pedido de patente depositado

#2.1

01/29/1985

RPI 745

From the same holder

VELA DE IGNIÇÃO E SEU MÉTODO DE FABRICAÇÃO PROCESSO PARA A FABRICAÇÃO DE AFIADOR CERÂMICO TERMINAL RESISTIVO Sensor de pressão tipo gaxeta TERMISTOR DE CONDUÇÃO IÔNICA DE OXIGÊNIO SENSOR DE NÍVEL.TERMOSENSOR FUSÍVEL PLUGUE DE SENSOR DE FUSÍVEL

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