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Official data from INPI

PROCESSO PARA RECUPERACAO DE VELAS DE IGNICAO UTILIZADAS EM MOTORES DE COMBUSTAO INTERNA OU OUTRAS APLICACOES

PublicadaInvention Patent

Application data

Number

PI8701293

Type

Invention Patent

Filing

03/23/1987

Publication

10/11/1988

Progress at the INPI

  1. Filing03/23/87
  2. Publication10/11/88
  3. Examination
  4. Allowance
  5. Grant
  6. In force

Published on 10/11/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUIZ HENRIQUE STOCKER LABREA [BR]

MILTON PINHEIRO DOS SANTOS [BR]

Inventors

J. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

14.1

07/26/1988

RPI 927

Pedido de patente depositado

#2.1

06/30/1987

RPI 871

14.5

12/03/1991

RPI 1096

Retificação

#15.3

03/05/1991

RPI 1057

Retificação

#15.3

09/04/1990

RPI 1031

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