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Official data from INPI

Velas de ugnição para motores de combustão interna a alta compressão.

Em ExigênciaInvention Patent

Application data

Number

PI8500329

Type

Invention Patent

Filing

01/21/1985

Publication

09/09/1986

Progress at the INPI

  1. Filing01/21/85
  2. Publication09/09/86
  3. Abandoned09/27/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. 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. O. (pessoa física)

BR

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/28/1989

RPI 997

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

09/09/1986

RPI 829

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

11.3

10/30/1990

RPI 1039

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