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Official data from INPI

PISTAO DE METAL LEVE PARA MOTORES DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI7901269

Type

Invention Patent

Filing

03/02/1978

Publication

-

Progress at the INPI

  1. Filing03/02/78
  2. Publication
  3. Examination
  4. Refused05/03/83
  5. Grant
  6. In force

The application was refused on 05/03/1983 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/03/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAHLE GMBH

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

05/03/1983

RPI 654

Petição de recurso

#12.2

10/19/1982

RPI 626

Indeferimento

#9.2

06/29/1982

RPI 610

Pedido de certificado de adição de invenção

#5.1

03/02/1982

RPI 593

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