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Official data from INPI

CAMISA DE CILINDRO DE CERÂMICA

PublicadaInvention Patent
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Application data

Number

PI8801459

Type

Invention Patent

Filing

03/24/1988

Publication

10/24/1989
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing03/24/88
  2. Publication10/24/89
  3. Examination11/27/90
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e Velas de Ignição NGK do Brasil Ltda

SP, BR

See this company's full portfolio

Inventors

M. Y. (pessoa física)

BR

Technical data

IPC Classification

F02F 1/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

07/05/1988

RPI 924

Retificação

#15.3

04/13/1993

RPI 1167

Conhecimento de parecer técnico

#7.1

01/21/1992

RPI 1103

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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